Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEC0XFH  ·  Generated: 14 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
RS PRO Silver Stainless Steel Ball Clamping Knob, 4 mm, Unthreaded Hole
RS PRO
RS PRO Silver Stainless Steel Ball Clamping Knob, 4 mm, Unthreaded Hole
Part No.
144-3639
Procurement Intelligence
The RS PRO Silver Stainless Steel Ball Clamping Knob is a standard control handle from RS PRO's industrial knob series, designed for manual adjustment and positioning in machinery and equipment via unthreaded hole mounting. Critical verification: confirm the 4mm hole diameter matches your equipment's shaft or mounting post precisely, as this unthreaded design requires exact dimensional fit.
Manual machinery control adjustment
Before ordering — verify:
☐ Hole diameter tolerance verification
☐ Stainless steel corrosion resistance
☐ Ball knob grip ergonomics
Technical Specifications
Thread4 mm
Thread Diameter4mm
Thread Length10mm
Knob ShapeBall
Mounting TypeUnthreaded Hole
Knob Diameter16mm
Hole Diameter4mm
Hole Length10mm
Body MaterialStainless Steel
ColourSilver
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/engineering-materials-industrial-hardware/knobs-levers-handles/clamping-knobs/rs-pro-silver-stainless-steel-ball-clamping-knob-4-mm-unthreaded-hole?mal=66255d9212f5f0d90d691ccb
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.