Collection: Keys - Machine - Carbon Steel

Keys -> Machine -> Carbon Steel
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0600BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0600BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-0600AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-0600AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Deleted Item. Available while stocks last.
Part Number: K-0300-0300-0600A-C (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.00 AUD
Regular price $1.90 AUD Sale price $1.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Machine Keys - 3x3x6 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
6.00
mm
+/- 0.25
(Equiv. 0.236 in.)
Machine Keys - 3x3x6 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Deleted Item. Available while stocks last.
Part Number: K-0300-0300-0600A-C (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.00 AUD
Regular price $1.90 AUD Sale price $1.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0800BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0800BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x8 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 833
Part Number: K-0300-0300-0800A-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x8 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 833
Part Number: K-0300-0300-0800A-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-0800AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-0800AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0800B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x8 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 3x3x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-0800B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 52
Part Number: K-0300-0300-1000B-C (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 52
Part Number: K-0300-0300-1000B-C (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x10 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W)
3.00
mm

(Equiv. 0.118 in.)
Height (h)
3.00
mm

(Equiv. 0.118 in.)
Length (L)
10.00
mm

(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0300-0300-1000AB-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W)
3.00
mm

(Equiv. 0.118 in.)
Height (h)
3.00
mm

(Equiv. 0.118 in.)
Length (L)
10.00
mm

(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0300-0300-1000AB-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 9027
Part Number: K-0300-0300-1000A-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $3.77 AUD
Regular price $4.53 AUD Sale price $3.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x10 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 3x3x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 9027
Part Number: K-0300-0300-1000A-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $3.77 AUD
Regular price $4.53 AUD Sale price $3.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1200AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1200AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $25.23 AUD
Regular price $30.27 AUD Sale price $25.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $25.23 AUD
Regular price $30.27 AUD Sale price $25.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 9923
Part Number: K-0300-0300-1200A-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $19.32 AUD
Regular price $23.18 AUD Sale price $19.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 9923
Part Number: K-0300-0300-1200A-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $19.32 AUD
Regular price $23.18 AUD Sale price $19.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1200BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1200BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W)
3.00
mm

(Equiv. 0.118 in.)
Height (h)
3.00
mm

(Equiv. 0.118 in.)
Length (L)
12.00
mm

(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0300-0300-1200AB-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W)
3.00
mm

(Equiv. 0.118 in.)
Height (h)
3.00
mm

(Equiv. 0.118 in.)
Length (L)
12.00
mm

(Equiv. 0.472 in.)
Machine Keys - 3x3x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0300-0300-1200AB-C (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Thu, Mar 12, 2026
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400B-C (PK-1400)
Out of Stock | Backorder Now | Orders can be expected around Sun, Mar 15, 2026
Regular price $326.14 AUD
Regular price $391.36 AUD Sale price $326.14 AUD
Priced, Stocked and Sold Per 1400 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400B-C (PK-1400)
Out of Stock | Backorder Now | Orders can be expected around Sun, Mar 15, 2026
Regular price $326.14 AUD
Regular price $391.36 AUD Sale price $326.14 AUD
Priced, Stocked and Sold Per 1400 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1300
Part Number: K-0300-0300-1400A-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $19.86 AUD
Regular price $23.84 AUD Sale price $19.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1300
Part Number: K-0300-0300-1400A-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $19.86 AUD
Regular price $23.84 AUD Sale price $19.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1400AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1400AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sun, Oct 29, 2028
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 537
Part Number: K-0300-0300-1500B-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $43.68 AUD
Regular price $52.42 AUD Sale price $43.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 537
Part Number: K-0300-0300-1500B-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $43.68 AUD
Regular price $52.42 AUD Sale price $43.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x15 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 200
Part Number: K-0300-0300-1500A-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $90.05 AUD
Regular price $108.05 AUD Sale price $90.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x15 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 200
Part Number: K-0300-0300-1500A-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 03, 2026
Regular price $90.05 AUD
Regular price $108.05 AUD Sale price $90.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.