Knurled Knob Captive Fasteners
Captive fastener knob solutions trusted across demanding industries where reliability and performance matter most
Mounting Options
Threaded Mounting
Best for precisely drilled pilot holes for single hole mounting
Retainer Ring Mounting
Best for single or slotted holt mounting configurations
Specifications
Material Variations:
- Knob: 6061 Polished Aluminum
- Stud: G5 Steel - Black Oxide
- Sleeve: 12L14 Steel - Black Oxide
- Knob: 6061 Polished Aluminum
- Stud: 303 Stainless Steel
- Sleeve: 303 Stainless Steel
- Knob: 12L14 Steel - Black Oxide
- Stud: G5 Steel - Black Oxide
- Sleeve: 12L14 Steel - Black Oxide
- Knob: 303 Stainless Steel
- Stud: 303 Stainless Steel
- Sleeve: 303 Stainless Steel
Thread Sizes:
*This is the fastened extruding stud thread
- 10-32
- 1/4-20
- 5/16-18
- 3/8-16
- 1/2-13
- 5/8-11
Mounting:
- Threaded
- Retainer Ring
Built for Performance. Made in the USA.
Precision CNC Machined Components
Reliable Quality & Lead Times
SRS Industries quality system complies to international quality standard IATF16949:2016, AS9100, and ISO9001:2015
Volume Pricing - The More you buy, the more you save
Competitive OEM pricing with discounts for higher quantities
Need Something custom?
We work with many customers over a wide range of industries to find the best solution to their fastening needs. Let us know and our team will find the best custom fit for your application. We're here to help.