Flat Head Self Tapping Screw manufacturer from China Yongnian Zhonglei Fastener Co., Ltd.

Payment Terms:	Paypal;West Union
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Packing: Standard Packing.

Type: Others

Brand Name: Zhonglei

Delivery Date: Within 20 days.

Material: Steel

Self tapping screws, also called tapping screws or sheet metal screws, are used in situations .

Self tapping screws, also called tapping screws or sheet metal screws, are used in situations where the material is too thin to tap--like sheet metal--and you don't have rear access to install a nut, but you may need to unfasten the materials later.

They have spaced (coarse) threads, and are also used in wood.

For button, hex, hex washer, pan, round and truss heads, measure length from under the head. For flat and oval heads, length includes head height.

Size: st2.9/st3.5/st3.9/st4.2/st4.8.st5.5/st6.3/st8

Thread Pitch: 1.1/1.3/1.3/1.4/1.6/1.8/1.8/2.1

Head Thickness: as per size

Across Flats: as per size

Material: steel

Grades: 4.8/6.8/8.8/10.9/12.9

Finish: black oxide/zinc plated (galvanized), dacromet, etc

Technical Info: DIN 7504K

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