Collection: Knobs - Ball - Knock On Phenolic

Knobs -> Ball -> Knock On Phenolic

There are 13 products in the sub-categories of Knobs - Ball - Knock On Phenolic. Browse the Knobs - Ball - Knock On Phenolic products table.

Category Details

A selection of Knock On Phenolic Ball Knobs. Moulded from black phenolic resin.

  • An expanded range may be available on special order. Please enquire.
  • Light Weight.
  • Thermal insulating.
  • Non corrosive.
  • POK Type have a ribbed insert. Shaft should be 0 to 0.007 mm undersized for best results
  • 712 Type suit standard metric rod

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Knobs - Ball - Knock On Phenolic category on the Small Parts & Bearings online store.
Thread or Hole Size Ball Diameter (A) Thread Length Colour Style Indicative
Image
Thread or Hole Size
4.00 mm Push On

Ball Diameter (A)
16.00
mm

(Equiv. 0.63 in.)
Colour
Black
Ball Knobs - 4.00 mm Push On 16 mm - - - Phenolic
Material: Phenolic    Hole Type: Slightly Oversized   
Part Number: KF040-016-KOPH (5 Pcs)
Ball Knobs - 4.00 mm Push On 16 mm - - Knock On Phenolic - Phenolic Knob
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Quantity Required

1 pack (5 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread or Hole Size Ball Diameter (A) Thread Length Colour Indicative
Image
Thread or Hole Size
4.00 mm Push On

Ball Diameter (A)
16.00
mm

(Equiv. 0.63 in.)
Colour
Black
Ball Knobs - 4.00 mm Push On 16 mm - - - Phenolic
Material: Phenolic    Hole Type: Slightly Oversized   
Part Number: KF040-016-KOPH (5 Pcs)
Ball Knobs - 4.00 mm Push On 16 mm - - Knock On Phenolic - Phenolic Knob
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Quantity Required

1 pack (5 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread or Hole Size
4.76 mm Push On

Ball Diameter (A)
19.05
mm

(Equiv. 0.75 in.)
Colour
Black
Ball Knobs - 4.76 mm Push On 19.05 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF048-019-KOPH
Ball Knobs - 4.76 mm Push On 19.05 mm - - Knock On Phenolic - Phenolic Knob
8 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $6.86 AUD
Regular price $8.24 AUD Sale price $6.86 AUD
Each
Quantity Required

8 Available Now. Backorder if more than 8.
Thread or Hole Size
4.76 mm Push On

Ball Diameter (A)
19.05
mm

(Equiv. 0.75 in.)
Colour
Black
Ball Knobs - 4.76 mm Push On 19.05 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF048-019-KOPH
Ball Knobs - 4.76 mm Push On 19.05 mm - - Knock On Phenolic - Phenolic Knob
8 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $6.86 AUD
Regular price $8.24 AUD Sale price $6.86 AUD
Each
Quantity Required

8 Available Now. Backorder if more than 8.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
19.05
mm

(Equiv. 0.75 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 19.05 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-019-KOPH
Ball Knobs - 6.35 mm Knock On 19.05 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $15.05 AUD
Regular price $18.05 AUD Sale price $15.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
19.05
mm

(Equiv. 0.75 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 19.05 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-019-KOPH
Ball Knobs - 6.35 mm Knock On 19.05 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $15.05 AUD
Regular price $18.05 AUD Sale price $15.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
25.40
mm

(Equiv. 1 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 25.4 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-025-KOPH
Ball Knobs - 6.35 mm Knock On 25.4 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $9.32 AUD
Regular price $11.18 AUD Sale price $9.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
25.40
mm

(Equiv. 1 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 25.4 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-025-KOPH
Ball Knobs - 6.35 mm Knock On 25.4 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $9.32 AUD
Regular price $11.18 AUD Sale price $9.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
31.75
mm

(Equiv. 1.25 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 31.75 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-032-KOPH
Ball Knobs - 6.35 mm Knock On 31.75 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $7.41 AUD
Regular price $8.89 AUD Sale price $7.41 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
6.35 mm Knock On

Ball Diameter (A)
31.75
mm

(Equiv. 1.25 in.)
Colour
Black
Ball Knobs - 6.35 mm Knock On 31.75 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF064-032-KOPH
Ball Knobs - 6.35 mm Knock On 31.75 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $7.41 AUD
Regular price $8.89 AUD Sale price $7.41 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
7.94 mm Knock On

Ball Diameter (A)
25.40
mm

(Equiv. 1 in.)
Colour
Black
Ball Knobs - 7.94 mm Knock On 25.4 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF079-025-KOPH
Ball Knobs - 7.94 mm Knock On 25.4 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $6.77 AUD
Regular price $8.13 AUD Sale price $6.77 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread or Hole Size
7.94 mm Knock On

Ball Diameter (A)
25.40
mm

(Equiv. 1 in.)
Colour
Black
Ball Knobs - 7.94 mm Knock On 25.4 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF079-025-KOPH
Ball Knobs - 7.94 mm Knock On 25.4 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $6.77 AUD
Regular price $8.13 AUD Sale price $6.77 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread or Hole Size
9.53 mm Knock On

Ball Diameter (A)
38.10
mm

(Equiv. 1.5 in.)
Colour
Black
Ball Knobs - 9.53 mm Knock On 38.1 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF095-038-KOPH
Ball Knobs - 9.53 mm Knock On 38.1 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $9.14 AUD
Regular price $10.96 AUD Sale price $9.14 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread or Hole Size
9.53 mm Knock On

Ball Diameter (A)
38.10
mm

(Equiv. 1.5 in.)
Colour
Black
Ball Knobs - 9.53 mm Knock On 38.1 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF095-038-KOPH
Ball Knobs - 9.53 mm Knock On 38.1 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $9.14 AUD
Regular price $10.96 AUD Sale price $9.14 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
Thread or Hole Size
9.53 mm Knock On

Ball Diameter (A)
31.75
mm

(Equiv. 1.25 in.)
Colour
Black
Ball Knobs - 9.53 mm Knock On 31.75 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF095-032-KOPH
Ball Knobs - 9.53 mm Knock On 31.75 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $7.68 AUD
Regular price $9.22 AUD Sale price $7.68 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
9.53 mm Knock On

Ball Diameter (A)
31.75
mm

(Equiv. 1.25 in.)
Colour
Black
Ball Knobs - 9.53 mm Knock On 31.75 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF095-032-KOPH
Ball Knobs - 9.53 mm Knock On 31.75 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $7.68 AUD
Regular price $9.22 AUD Sale price $7.68 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
38.10
mm

(Equiv. 1.5 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 38.1 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-038-KOPH
Ball Knobs - 12.70 mm Knock On 38.1 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $11.50 AUD
Regular price $13.80 AUD Sale price $11.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
38.10
mm

(Equiv. 1.5 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 38.1 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-038-KOPH
Ball Knobs - 12.70 mm Knock On 38.1 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $11.50 AUD
Regular price $13.80 AUD Sale price $11.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
44.45
mm

(Equiv. 1.75 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-044-KOPH
Ball Knobs - 12.70 mm Knock On 44.45 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $13.23 AUD
Regular price $15.87 AUD Sale price $13.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
44.45
mm

(Equiv. 1.75 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-044-KOPH
Ball Knobs - 12.70 mm Knock On 44.45 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $13.23 AUD
Regular price $15.87 AUD Sale price $13.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
50.80
mm

(Equiv. 2 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-051-KOPH (500 Pcs)
Ball Knobs - 12.70 mm Knock On 50.8 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $10,054.86 AUD
Regular price $12,065.84 AUD Sale price $10,054.86 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
12.70 mm Knock On

Ball Diameter (A)
50.80
mm

(Equiv. 2 in.)
Colour
Black
Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF127-051-KOPH (500 Pcs)
Ball Knobs - 12.70 mm Knock On 50.8 mm - - Knock On Phenolic - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $10,054.86 AUD
Regular price $12,065.84 AUD Sale price $10,054.86 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
Thread or Hole Size
15.88 mm Knock On

Ball Diameter (A)
44.45
mm

(Equiv. 1.75 in.)
Colour
Black
Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF159-044-KOPH
Ball Knobs - 15.88 mm Knock On 44.45 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
15.88 mm Knock On

Ball Diameter (A)
44.45
mm

(Equiv. 1.75 in.)
Colour
Black
Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF159-044-KOPH
Ball Knobs - 15.88 mm Knock On 44.45 mm - - Knock On Phenolic - Phenolic Knob
1 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $12.14 AUD
Regular price $14.56 AUD Sale price $12.14 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
Thread or Hole Size
15.88 mm Knock On

Ball Diameter (A)
50.80
mm

(Equiv. 2 in.)
Colour
Black
Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF159-051-KOPH
Ball Knobs - 15.88 mm Knock On 50.8 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.59 AUD
Regular price $20.18 AUD Sale price $8.59 AUD
Each
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Thread or Hole Size
15.88 mm Knock On

Ball Diameter (A)
50.80
mm

(Equiv. 2 in.)
Colour
Black
Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic    Hole Type: Ribbed Insert   
Part Number: KF159-051-KOPH
Ball Knobs - 15.88 mm Knock On 50.8 mm - - Knock On Phenolic - Phenolic Knob
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.59 AUD
Regular price $20.18 AUD Sale price $8.59 AUD
Each
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.