Long Knurled Socket Head Cap Screws

Long Knurled Socket Head Cap Screws. TYF (Guangdong Taiyuanfeng Metal Products Co., Ltd.) manufactures Long Knurled Socket Head Cap Screws to your drawings, samples and application requirements — made to print, not forced from a catalog part.

What you can customize

• Head style and drive (hex, pan, flat, socket, Torx or custom)
• Thread type, pitch and thread length
• Shoulder / stepped diameter and total length
• Material and grade: carbon steel, stainless steel, brass, aluminum or zinc alloy (per your drawing)
• Surface finish / coating (selected per drawing and application)
• Quantity, batch and inspection requirements

Manufacturing & quality

Formed in-house by cold heading and closed-die forming, then thread-rolled and inspected. We verify coating thickness (Zn/Ni/Cu) and salt-spray corrosion resistance in-house; threads are checked with GO/NOGO or plug gauges. Certified to IATF 16949:2016, ISO 9001:2015 and ISO 14001:2015.

Get a quote

Send your drawing or sample with material, finish, quantity and key dimensions and we will review manufacturability and key control points.

Request a Quote / Upload Your Drawing