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From standard hex bolts to drawing-based specials — every product family backed by documented applications since 2011.

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Critical Rail Fasteners

Nylon Locknut — M16

DIN 982 or ISO 7040 · 8 or 10 · M16; M20; M18 × 1.5; M22 × 1.5; M24; other sizes
Caifu fastener product reference 34 on a white background

Critical Rail Fasteners

Hexagon Fitted Bolt — M16 × 108

Non-standard · Quenched and tempered base material; induction surface hardening on the shank (SPC) · M16 × 108; M16 × 116; other sizes

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