| Material: | High Strength Steel |
|---|---|
| Type: | Square Head |
| Connection: | Hinged Bolts |
| Head Style: | Square |
| Standard: | DIN, ANSI, GB, JIS, BSW, GOST |
| Grade: | 8.8 |
| Samples: |
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| Customization: |
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What is the square bolt, and the use of the square bolt.
Class C of the square head bolt refers to the fasteners connected by the head and the screw, which need to be used with the nut. The grade of the square head bolt is class C. Square head bolts are divided into 4.8 bolts, 8.8 bolts, 10.9 bolts, 12.9 bolts according to the high strength grade. According to the screw wire material is divided into iron bolts and stainless steel bolts, stainless steel bolts have stainless steel SUS304 bolts, stainless steel SUS201 bolts, stainless steel SUS316 bolts. It is widely used, the scope of application has electronic and electrical industry, water conservancy engineering industry, electrical products, mechanical equipment, chemical equipment, ships, vehicles, Bridges, steel structures and so on.
Where are square head bolts mainly used?
1, square head bolt square size is large, easy to wrench stuck, or rely on other parts start and stop rotation; It can also be used in parts with T-slots to adjust the bolt position. Class C square head bolts are often used on rough structures.
2. square head bolt and hexagonal bolt the same, but the square head of the bolt size is larger, the force surface is also larger, often used in the rough structure, can also be used with T-slot parts, in order to adjust the position of the bolt
| SIZE D | Screw tooth pitch | k | S | ||
| max | min | max | min | ||
| M1.6 | 0.35 | 1.3 | 0.9 | 3.2 | 2.90 |
| M2 | 0.40 | 1.6 | 1.2 | 4 | 3.70 |
| M2.5 | 0.45 | 1.9 | 1.5 | 5 | 4.70 |
| M3 | 0.50 | 2.2 | 1.8 | 5.5 | 5.20 |
| M3.5 | 0.60 | 2.6 | 2.2 | 6 | 5.70 |
| M4 | 0.70 | 3.0 | 2.6 | 7 | 6.64 |
| M5 | 0.80 | 3.26 | 2.35 | 8 | 7.64 |
| M6 | 1.00 | 4.24 | 3.76 | 10 | 9.64 |
| M8 | 1.25 | 5.54 | 5.06 | 13 | 12.57 |
| M10 | 1.50 | 6.69 | 6.11 | 16 | 15.57 |
| M12 | 1.75 | 7.79 | 7.21 | 18 | 17.57 |
| M14 | 2.0 | 9.09 | 8.51 | 21 | 20.16 |
| M16 | 2.0 | 10.29 | 9.71 | 24 | 23.16 |
| M18 | 2.5 | 11.85 | 11.15 | 27 | 26.16 |
| M20 | 2.5 | 12.85 | 12.15 | 30 | 29.16 |
| M22 | 2.5 | 14.35 | 13.65 | 34 | 33 |
| M24 | 3 | 15.35 | 14.65 | 36 | 35 |
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