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Address: NO.12 HUANGHE RD ,HUANGJINAG , DONGGUAN, GD,CHINA
Contact name:David
VEDALI HARDWARE CO., LTD |
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Polishing Hardware Nuts Bolts Mushroom Head SS M6 Carriage Bolts Square Neck
Stainless Steel Carriage bolts are known as coach bolts or round head square neck bolts , formed a mushroom head without drive socket , a square neck underneath head and shaft with threads from end to neck ; Square neck of stainless steel carriage bolt is with self-locking function , it prevents bolt from moving or backing out when bolt is driven into material .
Normally , stainless steel carriage bolts with machine threads for working with a nut like hex nut or square nut or a round nut , it has to be operated by a tooling like spanner or a wrench ; Stainless steel carriage bolt is with security purpose as well , no head drive socket , it is screwed in or out via handle nuts from opposite side .
Material
Mushroom head carriage bolts are made from stainless steel with grade 304 .
Specification
Stainless steel carriage bolts standard based on DIN 603 from M5 to M20 , other dimensions can be customized .
| d | D | H | S1 | S2 | L | L1 |
| 5 | 13 | 3 | 5 | 5 | 10-30 | 3 |
| 6 | 16 | 3.5 | 6 | 6 | 15-45 | 4 |
| 8 | 20 | 4.5 | 8 | 8 | 20-80 | 5 |
| 10 | 24 | 5 | 10 | 10 | 25-100 | 6 |
| 12 | 30 | 6.5 | 12 | 12 | 30-120 | 8 |
| 16 | 38 | 8.5 | 16 | 16 | 50-200 | 12 |
| 20 | 46 | 10.5 | 20 | 20 | 80-200 | 15 |
Tolerance
Normal tolerances are +/-0.1 mm , and refer to DIN 2768 or ISO 4759for unspecified tolerances . tolerances are different for different legnths .
| 0.3 ～ 3 | 03 ～ 6 | 6 ～ 30 | 30 ～ 120 | 120 ～ 400 | 400 ～ 1000 |
| +/- 0.1 | +/- 0.1 | +/- 0.2 | +/- 0.3 | +/- 0.5 | +/- 0.8 |
Finish
Polishing
Features for shoulder screws
1 , High tensile strenth
2 ,No Magnet
3 , Corrosion resistance
4 , Long service
5 , Easy to be operated
6 , Security Purpose
Property Class
Property class 304
Installation
1 , Drill hole in material with depth as the length " L " of stainless steel carriage bolts
2 ,Insert stainless steel carriage bolts into holes .
3 , Screw nut or nuts onto threaded shaft of carriage bolt from another side till head of carriage bolt is sunken into or onto surface of hole .
Packing
Stainless steel carriage bolts are packed in boxes with cartons or poly bags with cartons in bulk .
| d | D | H | S1 | S2 | L | PCS/Box |
| 5 | 13 | 3 | 5 | 5 | 10-30 | 100 |
| 6 | 16 | 3.5 | 6 | 6 | 15-45 | 100 |
| 8 | 20 | 4.5 | 8 | 8 | 20-80 | 50 |
| 10 | 24 | 5 | 10 | 10 | 25-100 | 50 |
| 12 | 30 | 6.5 | 12 | 12 | 30-120 | 50 |
| 16 | 38 | 8.5 | 16 | 16 | 50-200 | 50 |
| 20 | 46 | 10.5 | 20 | 20 | 80-200 | 50 |
