Black Phosphate Oxide Steel Countersunk CSK Flat Head Self-tapping Screws
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Stainless Steel SS304 SS316 SS201 Hexagon Head Hex Wood Screws
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| Name | Self tapping screws | Materials | Carbon Steel/Stainless Steel |
| Standards | DIN ISO UNC BSW JIS etc. | Strength level | 8.8 etc. |
| Size | M1.5-M6 | Surface finish | ZP\BLACK etc. |
| Length | 10-100 | Samples | Available |
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Product Standards
Cross recessed countersunk head tapping screws DIN 7982 7050
| Thread specification | ST2.2 | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | ST5.5 | ST6.3 | |||
| P | pitch | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | ||
| a | maximum value | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | ||
| dk | max = nominal | 4.3 | 5.5 | 6.8 | 7.5 | 8.1 | 9.5 | 10.8 | 12.4 | ||
| minimum | 4 | 5.2 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | 11.97 | |||
| k | ≈ | 1.3 | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | 3.8 | ||
| Y | maximum value | Type C | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.3 | 5 | 6 | |
| Type F | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | 3.6 | |||
| slot number | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | |||
| M1 _ | ≈ | 2.5 | 3 | 4.2 | 4.6 | 4.7 | 5.1 | 6.8 | 7.1 | ||
| M 2 | ≈ | 2.4 | 2.8 | 4 | 4.2 | 4.4 | 5 | 6.3 | 7 | ||
| Thousand pieces of steel weight ≈kg | - | - | - | - | - | - | - | - | |||
About Us
We are committed to become the world's top fastening solutions provider, let Chinese product enterworld class, let the Rengong production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.
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BRANCH
Handan Rengong Fastener Manufacturing Co., Ltd
CONTACT US
Handan Rengong Fastener Manufacturing Co., Ltd
Add : South of Ximingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province,CHINA
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Tel: +8615188881444
Mail: admin@rg-fasteners.com
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BRANCH
Handan Rengong Fastener Manufacturing Co., Ltd
CONTACT US
Add : South of Ximingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province,CHINA
Mail : admin@rg-fasteners.com
Tel : +8615188881444