?????????: 0 ??????: ???? ?????? ??? ?????: 2025-07-22 ?????: ????
???? ??????? ?????? ??????? ??? ???? ??? ?????? ???? ''Allen Screws'' ??? ??????? ??????? ???????? ?? ????? ????? ???????. ???? ??? ????????? ?? ???? Allen Manufacturing Company - ??? ????? ????? ???????? ?????? ???????? ????? ???? ???? ??? ??? ????? ?????? ???? ??????? ??????? ????? ??????? ??????? ?? ??? 1910.
1909-1910 : ???? ???? Allen ???? ????? Seins Socket ??????
1910: ??? ??? ????? ???????? ????????? US960,244 (????? ?????? ??????? ???????)
1920-1940 : ??? ????? ??????? ?? ????? ???????? ??????? ??? ??????? ??? ???? ????
????????? : ???? ????? 'Allen' ??????? ????? ?? ??????? (???? ????? 'Kleenex' ???????? ???????)
??????? ????????: ?? ???? ??????? ???????? DIN 912 ?????? ???? ???? ??????? ??????? 'Socket Head Cap Screw'
| ??? ????????? | ????? ?????? | ????? ??????? | ?????? ??????? |
|---|---|---|---|
| ??????? ?????? | ???? ???? ??? ?????? | - | ISO 4762 |
| ????????? ???????? ??????? | ???? ???? ??? ?????? ??????? | ???? ???? | ASME B18.3 |
| ????? ?????? | ???? ???? ??? ?????? ??????? | ???? ???? | ????????/? 70.1 |
??? ??????? : ????? ????? Hex (????? Allen)
????? ????? : ??? ????? ??????? ?? ????? Countersunk
??? ?????? : ??? ????? ?????? ???? ?????? 120 ????
??? ??? ????? ???? ????? 40-50% ?? ???? ??????
????? ??????? ????? 35% ?????? ??????? ????? ????????
?????? ????? ???????? ?? ????????? ???????????
???????? ???????? ????????? ?? ????? ???????? ???????:
??????? AN/MS ???? ??????????
????? ????? ????? 30% ?? ????? ????????
??????? ????? ??????? ???????
???? ????????? ???????? ??????? (???????? ????? ???????)
???????? ??? ????? ??????? (±0.05 ??)
?????? ?????? ??????? ???????
??? ?????? ???????? : 80% ?? ??????? 'Allen Screw'
????? ????????? : 60 ? ?????? ????? ?????? ?????
????? ???????? : ????????? ??????? ????
??? ?? ?????? ??????? ?????? ??????? ISO ????????
?? ???? ????????? ???????? ??????? 'Allen Screw'.
??? ?? ?????? ???????? ???????? ?????? ?????
????? ?????? 'ALLEN' ??? ?????
?????? ?????? ????? ??????
?????? ?? ??????? ????? (± 0.01mm)
???? ?? ?????? ISO/GB ????????
???? ?? ????? ???? ??????
?????? ???????? ??? ??????? (≥90 ? ??????)
2023 ???? ????? ????? ??????? ?????? ??? ?? ???:
????? ???? ???????? 38% ?? ?????????
???? ??????? ?????? ????? ????? ????? 12?
????? ????? ??? ????? ?????? ???????? ????? 25 ? ??????
?????? ????: ????? ??????? ???????? ?? ????? Allen ????? ?? ????? ??? ?????? ??????? ???????? ??????????
?? ??? ??????? ??? 'Socket Head Cap Screw' ?'Allen Screw' ???? ?????? ??????? ????????. ???????? ???????:
????? ????????? ???????? ?? ????????? ??????
?????? ???????? ?? ????????? ????????
????? ???????? ?????? ????? ????? ??????
????????? ?????? ??????? ?? ????? ???????? ????? ???? ????? ?????? ??? ???? ??????? ?? ISO 4762 , DIN 912 ? GB/T 70.1 . ?????? ???? ??? ?????? ??? ????????? ?????? ????????? ???????? ??????.
