Stainless steel quarter-turn fastener QCTHS

plasticfor panelscam

Product overview
Positive quarter-turn locking fastener for quick-change applications with frequent insertion and removal. Provides consistent clamping force to prevent under- or over-tightening. Designed to be mounted to a fixture; corresponding cam receptacle mounts to the base. Internal spring accommodates a range of fixture thicknesses. A quarter turn of the knob aligns and locks the fastener; position is marked with "ON" and "OFF" indicators. Compatible with locating pins for high-precision positioning.

Product types

• QCTHS — Quarter-turn fastener, plastic knob, steel shank
• QCTHS-S — Quarter-turn fastener, stainless steel knob, steel shank

Part options (table)
Header: ID | SKU | Part Number | Knob Material | Plate Thickness Range (mm) | Thread | D | D1 (h9) | D2 | D3 | Dp P.C.D. | L | H | H1 | V Degrees | Clamping Force (Lbs) | Use with Receptacle Part No. | PN
Row: 136888 | QCTHS0834-20 | QCTHS0834-20 | Plastic | 6 to 20 | M3x0.50 - Depth 6 | 8 | 18 | 34 | 40 | 28 | 16.3 | 31.5 | 16 | 120 | 90 | QCTHS0834-B | (none)

Technical specifications

• Body: 303 stainless steel with electroless nickel plating.
• Pins: 440C stainless steel.
• Knob: Black plastic (QCTHS). QCTHS-S uses stainless steel knob.
• Shank: SKS3 steel, electroless nickel plated and heat treated.
• Spring: 304 stainless steel.
• Mounting hardware: three stainless steel socket head cap screws included (M3 x 0.5, 6 mm long).
• Operation: quarter-turn positive locking; spring allows range of fixture thicknesses; marked ON/OFF; compatible with locating pins for precise positioning.
• Example part QCTHS0834-20: plate thickness range 6–20 mm; thread M3x0.50 (depth 6 mm); D=8 mm; D1=18 mm; D2=34 mm; D3=40 mm; P.C.D.=28 mm; L=16.3 mm; H=31.5 mm; H1=16 mm; V=120°; clamping force ≈ 90 lbs; use with receptacle QCTHS0834-B.