
304 stainless steel countersunk head socket head cap screw DIN 7991 Flat head tapping screw
Product Photos and Information
| Name | Self tapping screws | Materials | Carbon Steel/Stainless Steel |
| Standards | DIN ISO ANC BSW JIS etc. | Strength level | 8.8 etc. |
| Size | M1.5-M6 | Surface finish | ZPBLACK etc. |
| Length | 10-100 | Samples | Subject to availability and agreement |
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 | 最大值 | Type C | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.3 | 5 | 6 | |
| F型 | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | 3.6 | |||
| 插槽编号 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | |||
| M1 _ | ≈ | 2.5 | 3 | 4.2 | 4.6 | 4.7 | 5.1 | 6.8 | 7.1 | ||
| L S | ≈ | 2.4 | 2.8 | 4 | 4.2 | 4.4 | 5 | 6.3 | 7 | ||
| 千块钢重量≈公斤 | - | - | - | - | - | - | - | - | |||
About Us
YONGYI Fasteners supports industrial and project fastener inquiries from Yongnian, Handan, China.
Our published company certificates, factory photographs, production information and selected supply references help buyers evaluate manufacturing and quality-control capabilities.
For a quotation, provide the product standard or drawing, size, material or grade, surface finish, quantity, packing requirement and destination.
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Certificate


ISO 9001 Quality Management System Certificate (Chinese)

ISO 14001 Environmental Management System Certificate (English)

ISO 14001 Environmental Management System Certificate (Chinese)

ISO 45001 Occupational Health and Safety Management System Certificate (English)

ISO 45001 Occupational Health and Safety Management System Certificate (Chinese)
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