Collection: Knobs - Ball

186 Products in this selection
This is a combined category of Ball Knobs.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.
Knobs - Ball
Additional resources:
Knobs PDF Quick Guide by Thread Size
A more concise listing may be found on the Smallparts store at Knobs - Ball. Smallparts promote the most popular MBA products.
Thread or Hole Size Ball Diameter (A) Thread Length Colour Style Indicative
Image
Thread or Hole Size
12.70 mm Knock On
Ball Diameter (A)
44.45
mm
Colour
Black
Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF127-044-KOPH Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $24.14 AUD
Regular price Sale price $24.14 AUD
Each
Thread or Hole Size Ball Diameter (A) Thread Length Colour Indicative
Image
Thread or Hole Size
12.70 mm Knock On
Ball Diameter (A)
44.45
mm
Colour
Black
Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF127-044-KOPH Ball Knobs - 12.70 mm Knock On 44.45 mm - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $24.14 AUD
Regular price Sale price $24.14 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
44.96
mm
Thread Length
19.1
Ball Knobs - 1/2-13 UNC -12.7mm- 44.96x19.1 mm - Plastic
Material: Plastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-045-TPLK Ball Knobs - 1/2-13 UNC -12.7mm- 44.96x19.1 mm - Plastic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $27.05 AUD
Regular price Sale price $27.05 AUD
Each
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
44.96
mm
Thread Length
19.1
Ball Knobs - 1/2-13 UNC -12.7mm- 44.96x19.1 mm - Plastic
Material: Plastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-045-TPLK Ball Knobs - 1/2-13 UNC -12.7mm- 44.96x19.1 mm - Plastic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $27.05 AUD
Regular price Sale price $27.05 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 1/2-13 UNC -12.7mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-048-TPH-IN Ball Knobs - 1/2-13 UNC -12.7mm- 47.62 - - - Phenolic
4 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $16.23 AUD
Regular price $19.47 AUD Sale price $16.23 AUD
Each
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 1/2-13 UNC -12.7mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-048-TPH-IN Ball Knobs - 1/2-13 UNC -12.7mm- 47.62 - - - Phenolic
4 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $16.23 AUD
Regular price $19.47 AUD Sale price $16.23 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
47.63
mm
Thread Length
15.9
Ball Knobs - 1/2-13 UNC -12.7mm- 47.63x15.9 mm - Plastic
Material: Plastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-048-TRT Ball Knobs - 1/2-13 UNC -12.7mm- 47.63x15.9 mm - Plastic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $15.95 AUD
Regular price Sale price $15.95 AUD
Each
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
47.63
mm
Thread Length
15.9
Ball Knobs - 1/2-13 UNC -12.7mm- 47.63x15.9 mm - Plastic
Material: Plastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-048-TRT Ball Knobs - 1/2-13 UNC -12.7mm- 47.63x15.9 mm - Plastic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $15.95 AUD
Regular price Sale price $15.95 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.00
mm
Ball Knobs - 1/2-13 UNC -12.7mm- 50  - Aluminium
Material: Aluminium   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-050-TPAL Ball Knobs - 1/2-13 UNC -12.7mm- 50 - Aluminium
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $80.32 AUD
Regular price Sale price $80.32 AUD
Each
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.00
mm
Ball Knobs - 1/2-13 UNC -12.7mm- 50  - Aluminium
Material: Aluminium   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-050-TPAL Ball Knobs - 1/2-13 UNC -12.7mm- 50 - Aluminium
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $80.32 AUD
Regular price Sale price $80.32 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
30.0
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x30 mm - Steel
Material: Steel   
Category: Knobs - Ball - Male Threaded
Part Number: KM127C-050-NG Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x30 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $41.32 AUD
Regular price Sale price $41.32 AUD
Each
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
30.0
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x30 mm - Steel
Material: Steel   
Category: Knobs - Ball - Male Threaded
Part Number: KM127C-050-NG Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x30 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $41.32 AUD
Regular price Sale price $41.32 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
39.9
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x39.9 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Male Threaded
Part Number: KM127C-050-NG-SS (10 Pcs) Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x39.9 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $739.05 AUD
Regular price Sale price $739.05 AUD
Per 10
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
39.9
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x39.9 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Male Threaded
Part Number: KM127C-050-NG-SS (10 Pcs) Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x39.9 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $739.05 AUD
Regular price Sale price $739.05 AUD
Per 10
View the product page first if you are unsure.
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
50.0
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x50 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-050-NG-SS (10 Pcs) Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x50 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $576.95 AUD
Regular price Sale price $576.95 AUD
Per 10
Thread or Hole Size
1/2-13 UNC (12.7mm)
Ball Diameter (A)
50.04
mm
Thread Length
50.0
Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x50 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF127C-050-NG-SS (10 Pcs) Ball Knobs - 1/2-13 UNC -12.7mm- 50.04x50 mm - Stainless Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $576.95 AUD
Regular price Sale price $576.95 AUD
Per 10
View the product page first if you are unsure.
Thread or Hole Size
12.70 mm Knock On
Ball Diameter (A)
50.80
mm
Colour
Black
Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF127-051-KOPH Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $19.77 AUD
Regular price Sale price $19.77 AUD
Each
Thread or Hole Size
12.70 mm Knock On
Ball Diameter (A)
50.80
mm
Colour
Black
Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF127-051-KOPH Ball Knobs - 12.70 mm Knock On 50.8 mm - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $19.77 AUD
Regular price Sale price $19.77 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $12.50 AUD
Regular price Sale price $12.50 AUD
Each
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $12.50 AUD
Regular price Sale price $12.50 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Colour
Red
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPH-IN-BR-R Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $14.77 AUD
Regular price Sale price $14.77 AUD
Each
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Colour
Red
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPH-IN-BR-R Ball Knobs - 1/2-20 UNF -12.7mm- 34.93 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $14.77 AUD
Regular price Sale price $14.77 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Thread Length
15.9
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93x15.9 mm - Steel
Material: Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPST Ball Knobs - 1/2-20 UNF -12.7mm- 34.93x15.9 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $110.41 AUD
Regular price Sale price $110.41 AUD
Each
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
34.93
mm
Thread Length
15.9
Ball Knobs - 1/2-20 UNF -12.7mm- 34.93x15.9 mm - Steel
Material: Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-035-TPST Ball Knobs - 1/2-20 UNF -12.7mm- 34.93x15.9 mm - Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $110.41 AUD
Regular price Sale price $110.41 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
41.28
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 41.28 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-041-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 41.28 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $17.86 AUD
Regular price Sale price $17.86 AUD
Each
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
41.28
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 41.28 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-041-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 41.28 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $17.86 AUD
Regular price Sale price $17.86 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-048-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 47.62 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $18.59 AUD
Regular price Sale price $18.59 AUD
Each
Thread or Hole Size
1/2-20 UNF (12.7mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 1/2-20 UNF -12.7mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF127F-048-TPH-IN-A Ball Knobs - 1/2-20 UNF -12.7mm- 47.62 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $18.59 AUD
Regular price Sale price $18.59 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
5/8-18 UNF (15.88mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 5/8-18 UNF -15.88mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF159F-048-TPH Ball Knobs - 5/8-18 UNF -15.88mm- 47.62 - - - Phenolic
9 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $13.68 AUD
Regular price $16.42 AUD Sale price $13.68 AUD
Each
Thread or Hole Size
5/8-18 UNF (15.88mm)
Ball Diameter (A)
47.62
mm
Colour
Black
Ball Knobs - 5/8-18 UNF -15.88mm- 47.62 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF159F-048-TPH Ball Knobs - 5/8-18 UNF -15.88mm- 47.62 - - - Phenolic
9 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $13.68 AUD
Regular price $16.42 AUD Sale price $13.68 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
15.88 mm Knock On
Ball Diameter (A)
44.45
mm
Colour
Black
Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF159-044-KOPH Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
1 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $17.23 AUD
Regular price Sale price $17.23 AUD
Each
Thread or Hole Size
15.88 mm Knock On
Ball Diameter (A)
44.45
mm
Colour
Black
Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF159-044-KOPH Ball Knobs - 15.88 mm Knock On 44.45 mm - - - Phenolic
1 Available Immediately | Further orders can be expected around Tue, Jun 03, 2025
Regular price $17.23 AUD
Regular price Sale price $17.23 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
15.88 mm Knock On
Ball Diameter (A)
50.80
mm
Colour
Black
Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF159-051-KOPH Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
2 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.59 AUD
Regular price $10.31 AUD Sale price $8.59 AUD
Each
Thread or Hole Size
15.88 mm Knock On
Ball Diameter (A)
50.80
mm
Colour
Black
Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF159-051-KOPH Ball Knobs - 15.88 mm Knock On 50.8 mm - - - Phenolic
2 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.59 AUD
Regular price $10.31 AUD Sale price $8.59 AUD
Each
Thread or Hole Size
M16 (16x2mm)
Ball Diameter (A)
48.00
mm
Colour
Black
Ball Knobs - M16 -16x2mm- 48 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF160M-048-TPH-IN (250 Pcs) Ball Knobs - M16 -16x2mm- 48 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $7,336.95 AUD
Regular price Sale price $7,336.95 AUD
Per 500
Thread or Hole Size
M16 (16x2mm)
Ball Diameter (A)
48.00
mm
Colour
Black
Ball Knobs - M16 -16x2mm- 48 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF160M-048-TPH-IN (250 Pcs) Ball Knobs - M16 -16x2mm- 48 - - - Phenolic
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
Regular price $7,336.95 AUD
Regular price Sale price $7,336.95 AUD
Per 500
View the product page first if you are unsure.