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30+ Years Experienced custom fastener manufacturer & factory committed 0 PPM for production - Chuanghe Fastener

Knurled Thumb Screw

Thumb Screw Sizes

Small stainless steel knurled thumb screws can be as short as 4mm or less from the shoulder to the end of the threading, while long copper thumb screw commonly extend to around 25-30mm (1 inch) and beyond. It is unusual to find very long thumb screws for most day-to-day fastening jobs.

Size:M1-M20,According to the drawing provided by the customer.

Standard:ISO,GB,DIN,BS,ANSI,JIS,Nonstandard.

Grade:4.8/ 6.8/ 8.8/ 10.9/ 12.9

Available Material:All carbon steel,Stainless steel 201/301/304, alloy steel,copper,etc. 

Surface Treatment:Nickel,trivalent zinc,silver plating,etc.

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Our defect rate standard is 0 PPM.

Our production range includes CNC processing center, automatic lathing, automatic milling, wire cutting, powder metallurgy processing and assembly of metal parts with plastic parts.

Contact Us

  WhatsApp: +86 13924354629


  Email: info3@dgchuanghe.com


  Tel: 0086-13924354629


  Address: RM302,No.4 building Lizhou industrial Park, Shangshanqi, Zhushan District, Dongcheng Town, Dongguan City, China

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