5/16-18star_threaded

SRS Industries
Design and Manufacture of
Captive Spring Loaded Screw Knob Fasteners
1.630.569.5007 www.srsindustries.com

T31ASSA-01E 5/16-18 Aluminum Star Captive Screw Knob Assembly - With Captive Threaded Collet
Knob is aluminum with steel stud & sleeve. Material & Finish:
Knob: 6061 Polished - Stud: G-5 - Sleeve: 12L14 black oxide

These captive screw knob assemblies stay with fixture, eliminating lost fastening hardware and allowing for faster change overs and set up. They also add a high quality look and feel to the finished part. These captive fasteners consist of a spring loaded screw knob assembly and collet. These assemblies instantly install in a single threaded hole, by inserting the collet into the fixture and securing tight. Collet has wrench flats for easy installation. When unfastened, the knob is held away from the fixture by spring tension and the screw is fully withdrawn into the collet. This provides a flush surface on the back side of the fixture, which is ideal for sliding surfaces. When fastened, the knob is pulled down over the collet for tight secure clamping. Instructions included.

NOTE: For panels less then the MAX thickness, add spacer as needed between the sleeve and the panel.

Knob is steel with steel stud & sleeve. Material & Finish: Knob: 12L14 - Stud: G-5 - Sleeve: 12L14 black oxide	Part Number T31ASSE-01E		Knob is aluminum with stainless steel stud & sleeve. Material & Finish: Knob: 6061 Polished - Stud: 18-8/303 SS - Sleeve: 303 SS	Part Number T31ASSA-01S
Knob is stainless steel with stainless stud & sleeve. Material & Finish: Knob: 303 SS - Stud: 18-8/303 SS - Sleeve: 303 SS	Part Number T31ASSS-01S

Thread Size	A	B	C	D	E	G	H
5/16-18	3/4	1 1/2	1 3/8	1 23/32	7/16	5/16	1/2-20

Knob Assembly Thread Size	A	B (Max Thickness)
5/16-18	1/2-20 UNF	3/8