- Other Auto Parts[2]
- Bolts[2]
- Nuts[3]
- Screws[6]
- Other Hardware[1]
- Metal Processing Machinery Parts[6]
- Other Metals & Metal Products[1]
- Contact Person : Mr. Lee Allen
- Company Name : Haiyan Samson Machinery Co., Ltd.
- Tel : 86-0573-86766333
- Fax : 86-0573-86723458
- Address : Zhejiang,Haiyan,Xuejia Load Shengdang Industry Zone
- Country/Region : China
- Zip : 314311
self tapping screw
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Self Tapping Screws
DIN7971, DIN7972, DIN7973, DIN7981, DIN7982, DIN7983 ASME B18.6.4 & SAE J933 specifications
Self tapping screws are most often used to fasten sheet metal composite materials, woods and plastics. They have a high tensile strength value, and are durable enough to handle repeated assembly and disassembly. There are three different kinds of self tapping screws: thread forming, thread cutting, and thread rolling.
Specifications: Head: Pan head, Flat head, Indented hex head, Indented hex washer head, Serrated hex washer head, Truss head, Oval head, wafer head, Round head Recess: Phillips, Slotted, Phillips/Slotted, Hex, Slotted/Hex, Torx, Pozi, Square .Diameter: #4 - #14 Length: 3/8" - 5"
Features: Thread & Point Type: Type A, Type B, Type AB, Type 1, Type 23, Type 25, Type Hi-low, Type F Material: Carbon steel, Stainless steel Surface hardness: Steel/Rockwell C45 min. / Core hardness: Steel/Rockwell C28-38(after tempering) Zinc plated 3 - 5 my or 5 - 8 my.
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