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DIN 7981 Torx Stainless Steel Screws Self Tapping A4 Pan Head Fastener

DIN 7981 Torx Stainless Steel Screws Self Tapping A4 Pan Head Fastener

Stainlesl steel screws are made from martensite stainless steel grade A4 or 18-8 , with perfect corrossion resistance and mechanical performance . A4 stainless steel screws are widely used for different industrial areas , especailly for oil indutry , vessel industry and some food equipments .

18-8 stainless steel screws are designed according to DIN 7981 standard , pan head with torx dirve for easy to be operated by a torx screw bit , standard tapping threads and sharp point .

Technical Data

Items	Description		Remark	Picture
Material	Stainless steel		316 ( A4)
Finish / Plating	Plain
Hardness	22		HRC
Color	Plain
Standard	DIN 7981
Dimensions	Thread dia.	3.5	Head dia.	6.9
	Full length	25 ( 1 inch )	Head height	2.5
	Pitch	1.4	Head socket	T20

Product Features

1 . Perfect corrosion resistance

Stainless steel screws are made from grade A4 or 316 with outstanding performance on corrossion resistance .

2 . Not easy to be deformed

18-8 stainless steel screws are resistant from high or low temperature with good ductility , screws will not to be deformed even under strict surroudings .

3 . Nearly without magnet

4 . Good self-cutting

A4 stainless steel screws are made in tapping threads that can pierce and self-cut materials under force .

5 . Eeasy to be operated

Standard head and threads and strict drive design to make stainless steel screws operated smoothly .

Product Application

A4 Stainless steel screws are normllay used for various industrial areas especailly for strict working surroundings , eg corrossion resistance .

How we pack

Normal packing

1. In bulk : Polybag ( 1-5 kgs) and cartons (8-20 kgs ) , 0.01 CBM / CTN

2. Boxes : Box ( 1-3 kgs) and cartons ( 5-15 kgs ) , 0.01 CBM / CTN

3. All cartons to a pallet ( 1X1.2 m )

4. Customized packing

Optional Products

We manufacture various hardware parts , you can find and click following descriptions to see more items .

Screws	Various standard and non-standard fastener screws with qualified materials for different applications .
Nuts and bolts	High tensile strength bolts nuts for engineering projects .
Washers and spacers	Different materials washers and spacers for mechanical and clectronic parts
Fastener Pins	Precise mechanical tolerances and good quality for industry .
Plastic Parts	Customized manufacturing service and top materials for communication and electronics and auto etc .

Quality Guarantee

Precise testing equipments and tools for hardness , dimensions , corrosion resistance and pass rate etc . our tolerance for tools is up to 0.005 mm .		All products are compliance with RoHS and REACH standards


Note : We are available for customized requests on quality

Production Capacity

Stamping parts with complicated designs , min. tolerances to 0.01mm (0.0004 inch ) , monthly capacity ups to 100 tons .

Availabe material :

1. Carbon steel

2. Brass

3. Aluminum

4. Stainless steel

5. Plastic

6. Various alloy steel eg. titanium alloy .

Precise turning machines and CNC , tolerances are up to 0.01 and 0.008 mm for limitaiton . 5 million pcs monthly capacity .

Availabe material :

1. Carbon steel

2. Brass

3. Aluminum

4. Stainless steel

5. Plastic

6. Various alloy steel eg. titanium alloy .

Assorted fastener machines to make different screws , bolts , nuts and pins etc . Diameter from M0.8 to M30 . Monthly capacity ups to 300 tons .

Availabe material :

1. Carbon steel

2. Brass

3. Aluminum

4. Stainless steel

5. Plastic

6. Various alloy steel eg. titanium alloy .

Warm Tips

If you are interesting in stainless steel self tapping screws , please contact us via emial or phone , we will get back to you within 12 hours , Thank you !

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Categories	Fastener Screws
Place of Origin:	Guangdong, China
Brand Name:	V
Model Number:	S1001
Packaging Details:	1. In bulk : Polybag ( 1-5 kgs) and cartons (8-20 kgs ) , 0.01 CBM / CTN 2. Boxes : Box ( 1-3 kgs) and cartons ( 5-15 kgs ) , 0.01 CBM / CTN 3. All cartons to a pallet ( 1X1.2 m ) 4. Customized packing
MOQ:	1000 pieces
Price:	$0.06/pieces 1000-4999 pieces
Finish:	Plain, Plain
Measurement system:	Metric
Head Style:	Pan
Standard:	DIN
Product name:	Stainless steel screws
Grade:	A4
Head type:	Pan
Drive type:	Torx
Thread diameter:	3.5
Length:	25