Screws - Thumb - Knurled - Stainless - Precision Head

Screws -> Thumb -> Knurled -> Stainless -> Precision Head

There are 10 products in the sub-categories of Screws - Thumb - Knurled - Stainless - Precision Head. Browse the Screws - Thumb - Knurled - Stainless - Precision Head products table.

Category Details

A selection of Precision Head Stainless Knurled Thumb Screws. This is the main category in this series

  • An expanded range may be available on special order. Please enquire.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Screws - Thumb - Knurled - Stainless - Precision Head category on the Small Parts & Bearings online store.
Thread Size (A) Thread Length (D) Overall Length (C+D) Head Diameter (B) Head Height (H) Indicative
Image
Thread Size (A)
4-40 UNC (2.85mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Head Diameter (B)
4.76
mm
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS028C-025-K-3-P
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$15.41 AUD
$15.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A) Thread Length (D) Overall Length (C+D) Indicative
Image
Thread Size (A)
4-40 UNC (2.85mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 4.76 mm    Head Type: Knurled   
Part Number: THS028C-025-K-3-P
Thumb Screws - 4-40 UNC - 2.85mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$15.41 AUD
$15.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
6-32 UNC (3.5mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Head Diameter (B)
4.76
mm
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS035C-025-K-3-P
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.86 AUD
$10.64 AUD $8.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
6-32 UNC (3.5mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 4.76 mm    Head Type: Knurled   
Part Number: THS035C-025-K-3-P
Thumb Screws - 6-32 UNC - 3.5mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.86 AUD
$10.64 AUD $8.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
8-32 UNC (4.17mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
22.23
mm

(Equiv. 0.875 in.)
Head Diameter (B)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x22.23 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS042C-013-K-3-P
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x22.23 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.50 AUD
$10.20 AUD $8.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
8-32 UNC (4.17mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
22.23
mm

(Equiv. 0.875 in.)
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x22.23 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 4.76 mm    Head Type: Knurled   
Part Number: THS042C-013-K-3-P
Thumb Screws - 8-32 UNC - 4.17mm - 12.7x22.23 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.50 AUD
$10.20 AUD $8.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
8-32 UNC (4.17mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Head Diameter (B)
4.76
mm
Thumb Screws - 8-32 UNC - 4.17mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS042C-025-K-3-P
Thumb Screws - 8-32 UNC - 4.17mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.14 AUD
$9.76 AUD $8.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
8-32 UNC (4.17mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
34.93
mm

(Equiv. 1.375 in.)
Thumb Screws - 8-32 UNC - 4.17mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 4.76 mm    Head Type: Knurled   
Part Number: THS042C-025-K-3-P
Thumb Screws - 8-32 UNC - 4.17mm - 25.4x34.93 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$8.14 AUD
$9.76 AUD $8.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-24 UNC (4.76mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Head Diameter (B)
6.35
mm
Thumb Screws - 10-24 UNC - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS048C-013-K-3-P
Thumb Screws - 10-24 UNC - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.05 AUD
$12.05 AUD $10.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-24 UNC (4.76mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 10-24 UNC - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 6.35 mm    Head Type: Knurled   
Part Number: THS048C-013-K-3-P
Thumb Screws - 10-24 UNC - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.05 AUD
$12.05 AUD $10.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-24 UNC (4.76mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (B)
6.35
mm
Thumb Screws - 10-24 UNC - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS048C-025-K-3-P
Thumb Screws - 10-24 UNC - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$14.14 AUD
$16.96 AUD $14.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-24 UNC (4.76mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 10-24 UNC - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 6.35 mm    Head Type: Knurled   
Part Number: THS048C-025-K-3-P
Thumb Screws - 10-24 UNC - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$14.14 AUD
$16.96 AUD $14.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-32 UNF (4.76mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Head Diameter (B)
6.35
mm
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS048F-013-K-3-P
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.05 AUD
$12.05 AUD $10.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-32 UNF (4.76mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 6.35 mm    Head Type: Knurled   
Part Number: THS048F-013-K-3-P
Thumb Screws - 10-32 UNF - 4.76mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.05 AUD
$12.05 AUD $10.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-32 UNF (4.76mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (B)
6.35
mm
Thumb Screws - 10-32 UNF - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS048F-025-K-3-P
Thumb Screws - 10-32 UNF - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.50 AUD
$12.60 AUD $10.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
10-32 UNF (4.76mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 10-32 UNF - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 6.35 mm    Head Type: Knurled   
Part Number: THS048F-025-K-3-P
Thumb Screws - 10-32 UNF - 4.76mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.50 AUD
$12.60 AUD $10.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Head Diameter (B)
7.94
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS064C-013-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.59 AUD
$12.71 AUD $10.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (D)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (C+D)
25.40
mm

(Equiv. 1 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 7.94 mm    Head Type: Knurled   
Part Number: THS064C-013-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 12.7x25.4 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$10.59 AUD
$12.71 AUD $10.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Head Diameter (B)
7.94
mm
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Type: Knurled   
Part Number: THS064C-025-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$11.23 AUD
$13.47 AUD $11.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (D)
25.40
mm

(Equiv. 1 in.)
Overall Length (C+D)
38.10
mm

(Equiv. 1.5 in.)
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Head Diameter (B): 7.94 mm    Head Type: Knurled   
Part Number: THS064C-025-K-3-P
Thumb Screws - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Knurled - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Screw
Out of Stock | Backorder Now | Orders can be expected around Thu, Sep 18, 2025
$11.23 AUD
$13.47 AUD $11.23 AUD
Each
Quantity Required

Backorder: Out of Stock.