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Mentor Collet Fixing Plastic Control Knobs - Matt Black Finish

Mentor Brand: Mentor

These plastic control knobs from Mentor have been designed for professional equipment and have collet fixing. They are stylishly designed with a matt body and knurled grip and are available with or without a white line pointer.

  • Knob Ø: 14.5-48mm
  • Shaft Ø: 4 or 6mm
  • Height: 14 to 19mm
  • Colour: Black
  • Plain or with white line pointer
Please note that top caps are available separately in a range of colours for identification purposes and are therefore not included with the knobs.
Description Image Product Buy Pricing (Ex VAT) Diameter Colour Shaft Diameter Type Material Fixing
Mentor 4331.4000 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm
Mentor 4331.4000 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm
Standard range
Order code: 57-5072
MPN: 4331.4000

47 available to back orderBack-order availability date - 09/01/2026
3+ £1.50
Price per unit Ex VAT 		14.5mm Black 4mm Control knob Plastic Collet
Mentor 4331.6000 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm
Mentor 4331.6000 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm
Standard range
Order code: 57-5073
MPN: 4331.6000

175 available to back orderBack-order availability date - 09/01/2026
2+ £2.76
Price per unit Ex VAT 		14.5mm Black 6mm Control knob Plastic Collet
Mentor 4332.4000 Plastic Turning Knob Matt With Collet Fixing Ø 20mm
Mentor 4332.4000 Plastic Turning Knob Matt With Collet Fixing Ø 20mm
Standard range
Order code: 57-5076
MPN: 4332.4000

91 available to back orderBack-order availability date - 09/01/2026
3+ £1.80
Price per unit Ex VAT 		20mm Black 4mm Control knob Plastic Collet
Mentor 4332.6000 Plastic Turning Knob Matt With Collet Fixing Ø 20mm
Mentor 4332.6000 Plastic Turning Knob Matt With Collet Fixing Ø 20mm
Standard range
Order code: 57-5077
MPN: 4332.6000

50 available to back orderBack-order availability date - 09/01/2026
2+ £2.45
Price per unit Ex VAT 		20mm Black 6mm Control knob Plastic Collet
Mentor 4333.6000 Plastic Turning Knob Matt With Collet Fixing Ø 28mm
Mentor 4333.6000 Plastic Turning Knob Matt With Collet Fixing Ø 28mm
Standard range
Order code: 57-5080
MPN: 4333.6000

11 available to back orderBack-order availability date - 09/01/2026
2+ £2.31
Price per unit Ex VAT 		28mm Black 6mm Control knob Plastic Collet
Mentor 4334.6000 Plastic Turning Knob Matt With Collet Fixing Ø 36mm
Mentor 4334.6000 Plastic Turning Knob Matt With Collet Fixing Ø 36mm
Standard range
Order code: 57-5082
MPN: 4334.6000

88 available to back orderBack-order availability date - 09/01/2026
2+ £3.40
Price per unit Ex VAT 		36mm Black 6mm Control knob Plastic Collet
Mentor 4335.6000 Plastic Turning Knob Matt With Collet Fixing Ø 48mm
Mentor 4335.6000 Plastic Turning Knob Matt With Collet Fixing Ø 48mm
Standard range
Order code: 57-5084
MPN: 4335.6000

100 available to back orderBack-order availability date - 09/01/2026
1+ £4.15
Price per unit Ex VAT 		48mm Black 6mm Control knob Plastic Collet
Mentor 4331.4001 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm - Marking
Mentor 4331.4001 Plastic Turning Knob Matt With Collet Fixing Ø 14.5mm - Marking
Standard range
Order code: 57-5074
MPN: 4331.4001

46 available to back orderBack-order availability date - 09/01/2026
3+ £1.90
Price per unit Ex VAT 		14.5mm Black, white pointer 4mm Control knob Plastic Collet
Mentor 4332.4001 Plastic Turning Knob Matt With Collet Fixing Ø 20mm - Marking
Mentor 4332.4001 Plastic Turning Knob Matt With Collet Fixing Ø 20mm - Marking
Standard range
Order code: 57-5078
MPN: 4332.4001

39 available to back orderBack-order availability date - 09/01/2026
2+ £2.55
Price per unit Ex VAT 		20mm Black 4mm Control knob Plastic Collet
Mentor 4332.6001 Plastic Turning Knob Matt With Collet Fixing Ø 20mm - Marking
Mentor 4332.6001 Plastic Turning Knob Matt With Collet Fixing Ø 20mm - Marking
Standard range
Order code: 57-5079
MPN: 4332.6001

179 available to back orderBack-order availability date - 09/01/2026
2+ £2.45
Price per unit Ex VAT 		20mm Black, white pointer 6mm Control knob Plastic Collet
Mentor 4333.6001 Plastic Turning Knob Matt With Collet Fixing Ø 28mm - Marking
Mentor 4333.6001 Plastic Turning Knob Matt With Collet Fixing Ø 28mm - Marking
Standard range
Order code: 57-5081
MPN: 4333.6001

57 available to back orderBack-order availability date - 09/01/2026
2+ £2.68
Price per unit Ex VAT 		28mm Black, white pointer 6mm Control knob Plastic Collet
Mentor 4334.6001 Plastic Turning Knob Matt With Collet Fixing Ø 36mm - Marking
Mentor 4334.6001 Plastic Turning Knob Matt With Collet Fixing Ø 36mm - Marking
Standard range
Order code: 57-5083
MPN: 4334.6001

160 available to back orderBack-order availability date - 09/01/2026
2+ £3.60
Price per unit Ex VAT 		36mm Black, white pointer 6mm Control knob Plastic Collet
Mentor 4335.6001 Plastic Turning Knob Matt With Collet Fixing Ø 48mm - Marking
Mentor 4335.6001 Plastic Turning Knob Matt With Collet Fixing Ø 48mm - Marking
Standard range
Order code: 57-5085
MPN: 4335.6001

43 available to back orderBack-order availability date - 09/01/2026
1+ £4.21
Price per unit Ex VAT 		48mm Black, white pointer 6mm Control knob Plastic Collet
Part codeShaft ØKnob ØWith marking
57-50724mm14.5mmNo
57-50736mm14.5mmNo
57-50764mm20mmNo
57-50776mm20mmNo
57-50806mm28mmNo
57-50826mm36mmNo
57-50846mm48mmNo
57-50744mm14.5mmYes
57-50784mm20mmYes
57-50796mm20mmYes
57-50816mm28mmYes
57-50836mm36mmYes
57-50856mm48mmYes


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