A2-70 Allen Bolts are mainly made of SUS304 stainless steel wire. The "A2" in A2-70 represents the material group, and "70" means that the tensile strength of the bolt is at least 700N/mm². This type of bolt is usually used in machine tools, chemical equipment, water pumps, ships, power equipment and other fields. Among them, full-thread stainless steel hexagon socket screws are more commonly used, while half-thread stainless steel hexagon socket screws are more used on export equipment.
A4-80 Allen Bolts are mainly made of SUS316 stainless steel wire, which has better corrosion resistance and is especially suitable for application environments with higher requirements for corrosion resistance.
Products Data
| Thread size | M1.4 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | ||||
| d | |||||||||||||||||||
| P | pitch | coarse teeth | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | ||
| fine teeth 1 | - | - | - | - | - | - | - | - | 1 | 1.25 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||||
| fine teeth 2 | - | - | - | - | - | - | - | - | - | 1 | 1.5 | - | - | 2 | 2 | ||||
| dk | round head | maximum value | 2.6 | 3 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | twenty one | twenty four | 27 | 30 | ||
| knurled head | maximum value | 2.74 | 3.14 | 3.98 | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | 24.33 | 27.33 | 30.33 | |||
| minimum | 2.46 | 2.86 | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | ||||
| d a | maximum value | 1.8 | 2 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | |||
Products display
A4-70/A4-80 Stainless Steel Allen Bolts
Why Choose GNEE
GNEE specializes in the production of stainless steel chains, shackles, wire ropes, wire rope clips, turnbuckles, terminals, screws and other metal products. The products are of excellent quality and novel style, and are widely used in various buildings. They not only have a large domestic sales market, but also are exported to Europe and the United States.
If any question,please contact with us freely by E-mail or Telephone. sales@gneetube.com
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FAQ
Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
Q.Can you provide samples?
A. Yes, free samples are available for regular sizes, but buyers need to pay the shipping cost.
Q.Where are you located? Can I visit you?
A.Sure, you are welcome to visit our factory anytime.
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