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SCI RN-99 Series Control Knobs for 6.35mm (¼in.) Shafts - Screw Fixing

SCI Brand: SCI

A range of matching control knobs with spun aluminium inlays.

  • Fit controls with 6.35mm (¼in.) shafts
  • Attractive spun aluminium inlay
  • Material: phenolic plastic
  • White indicator line
  • Set screw fixing
  • Available in a range of diameters
  • See Technical Specification table for full dimensional details
  • SCI RN-99 series
Description Image Product Buy Pricing (Ex VAT) Diameter Type Material Colour Fixing Shaft Diameter
SCI RN-99F(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 19.5mm
SCI RN-99F(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 19.5mm
Standard range
Order code: 32-0316
MPN: RN-99F(Ø6.4mm)

2,289 in stock, despatched same dayAdditional quantity lead time 9 months
5+ £0.720
25+ £0.653
100+ £0.569
Price per unit Ex VAT 		19.5mm Control knob Phenolic resin Black, silver Screw 6.4mm
SCI RN-99E(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 22.9mm
SCI RN-99E(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 22.9mm
Standard range
Order code: 32-0314
MPN: RN-99E(Ø6.4mm)

882 in stock, despatched same dayAdditional 2,000 due on 17/12/2025
5+ £0.602
25+ £0.565
100+ £0.491
Price per unit Ex VAT 		22.9mm Control knob Phenolic resin Black, silver Screw 6.4mm
SCI RN-99D(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 26.8mm
SCI RN-99D(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 26.8mm
Standard range
Order code: 32-0312
MPN: RN-99D(Ø6.4mm)

1,305 in stock, despatched same dayAdditional quantity lead time 9 months
5+ £0.971
25+ £0.886
100+ £0.789
Price per unit Ex VAT 		26.8mm Control knob Phenolic resin Black, silver Screw 6.4mm
SCI RN-99C(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 33mm
SCI RN-99C(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 33mm
Standard range
Order code: 32-0310
MPN: RN-99C(Ø6.4mm)

105 in stock, despatched same dayAdditional quantity lead time 9 months
5+ £1.05
25+ £0.954
100+ £0.856
Price per unit Ex VAT 		33mm Control knob Phenolic resin Black, silver Screw 6.4mm
SCI RN-99A(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 45mm
SCI RN-99A(Ø6.4mm) Control Knob-Black/Silver Cap-White Line-6.4mm Shaft 45mm
Standard range
Order code: 32-0308
MPN: RN-99A(Ø6.4mm)

Out of stock1,982 due on 17/12/2025
5+ £1.66
25+ £1.53
100+ £1.31
Price per unit Ex VAT 		45mm Control knob Phenolic resin Black, silver Screw 6.4mm
SCI typeOverall dia.Overall heightMain body dia.Shaft hole dia.Order code
RN-99F19.5mm11.5mm15.7mm6.4mm32-0316
RN-99E22.9mm12.7mm19.0mm6.4mm32-0314
RN-99D26.8mm15.8mm24.0mm6.4mm32-0312
RN-99C33.0mm16.0mm29.6mm6.4mm32-0310
RN-99A45.0mm20.3mm37.0mm6.4mm32-0308


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