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self-drilling screw

Belong to module:Nails&Screws  Add date:2016-06-02  Click volume:218

self-drilling screw information

Self-drilling Screw:

Material:1022A, steel

Shank Diameter:M3.5 or #6,M3.9 or # 7,M3.9 or #7,M4.2 or #8.M4.8 or #10 M5.5 or #12,M6.3 or #14

Length:13mm-200mm

Head Type: pan, pan framing, countersunk, hex washer, modified truss,bugle

Manufactures Process:

1 Manufacture Inside: Steel wire→Wire Test→Heading Process→

The point stamping Process→The thread rolling Process→The Processing Testing Inside

2 Manufacture Outside: Heat Treatment Process→Platting Process

→Coating finishing Process→With Washer assembly Process→The head painting Process →Scatting Process

3 The products finish test

4 Shipping

Finish:black/gray phosphate, yellow/white zinc plated

Drive:Philips, pozi, cross recess, combination

Packing:1000pcs/box, small packing as your request.

Product info of head self drilling screw

Diameter

M3.5-M6.3,  6#-14#

Length

6.0mm-130mm, 1/2”-5”

Standard

ISO,GB,DIN,JIS,ANSI,BSW

Material

carbon steel/stainless steel 

Surface finish:

wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet

Head Code

CSK, pan head, truss head, hexagon head, round head, oval head in cross recessed, slotted

Thread Code

full thread and half thread

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