Stainless steel quarter-turn fastener QCTHS-B

threaded

Overview
Embedded-mount quarter-turn receptacle designed for use with QCTHS series heavy-duty quarter-turn fasteners and the corresponding retractable fasteners. The receptacle is secured with three low-head M3 x 0.50 × 6 mm screws (included) and is intended for locked quarter-turn fastening in industrial assemblies.

Materials

• Body: 303 stainless steel with electroless nickel plate finish
• Balls: 440C stainless steel
• Collar: quenched and tempered 440C stainless steel
• Retaining ring: 304 stainless steel

Product Types

• QCTHS-B Receptacles — steel body, for use with QCTHS / QCTHSA heavy-duty fasteners

Part example

• QCTHS0834-B (ID 136890) — Thread: M3 x 0.50 (depth 6 mm); Key dimensions: D = 26 mm, h9 = 14 mm, D1 = 8 mm, D2 = 20 mm, P.C.D. = 11.5 mm, L = 3.5 mm, L1 = 1.5 mm. Use with heavy-duty fasteners: QCTHS0834-20, QCTHS0834-20S, QCTHS0825-20, QCTHS0825-20S. Use with heavy-duty retractable fasteners: QCTHSA0834-20, QCTHSA0834-20S, QCTHSA0825-20, QCTHSA0825-20S. Compatible shaft coupling clamp: QCSJS0822A.

Notes
Receptacle intended for use with the corresponding QCTHS / QCTHSA fasteners listed above. Mounting hardware (3 × M3 x 0.50 × 6 mm low-head cap screws) is included.

Technical specifications

• Mount type: Embedded mount
• Included mounting screws: 3 × M3 x 0.50 × 6 mm low-head cap screws
• Body material and finish: 303 stainless steel, electroless nickel plate
• Balls: 440C stainless steel
• Collar: quenched and tempered 440C stainless steel
• Retaining ring: 304 stainless steel
• Compatible part example: QCTHS0834-B (ID 136890)
• Thread: M3 x 0.50, depth 6 mm
• Key dimensions (example QCTHS0834-B): D = 26 mm; h9 = 14 mm; D1 = 8 mm; D2 = 20 mm; P.C.D. = 11.5 mm; L = 3.5 mm; L1 = 1.5 mm
• Compatible heavy-duty fasteners: QCTHS series variants listed above
• Compatible heavy-duty retractable fasteners: QCTHSA series variants listed above
• Compatible shaft coupling clamp: QCSJS0822A