????????
????A: ???????? ( 60 ?? ) : ???/ ????
????B: ???????????? ( 55 ?? ): ???/ ????
????C: ???????? ( 30 or 29 ??) : ????????
????D: ?????? ( 90 ??) : ????????
????
????????????????в?????????????????????????????????????????????С????????????????????????????????????????????????????????????????????????????????????????糵?????????????С??????á???????????????????????????????????????????????????????
??????????????????????????С????????????繤?????????????????????????????????????????????壬????????г????????????????????????????????????????????????????????????δ????????????????????????????????“?????”???????????????????????????????У???????????????????????????????????????????????????6g????2???????????“IFI”?2A?????????蹤???????????8g????3????“IFI”?1A?????????????????????????????С?????????????????????????????????????????????ο???
????A: ???????? ( 60 ?? ) : ???/ ????
????B: ???????????? ( 55 ?? ): ???/ ????
????C: ???????? ( 30 or 29 ??) : ????????
????D: ?????? ( 90 ??) : ????????
????
????????????????в?????????????????????????????????????????????С????????????????????????????????????????????????????????????????????????????????????????糵?????????????С??????á???????????????????????????????????????????????????????
??????????????????????????С????????????繤?????????????????????????????????????????????壬????????г????????????????????????????????????????????????????????????δ????????????????????????????????“?????”???????????????????????????????У???????????????????????????????????????????????????6g????2???????????“IFI”?2A?????????蹤???????????8g????3????“IFI”?1A?????????????????????????????С?????????????????????????????????????????????ο???
????A: Machine Screw: ??е???
????B: Tapping Screw: (????????????????????????)
????B-1: Sheet Metal Tapping Screw. (????????????)
????B-2: Plastic Tapping Screw. ( ??, ??????)
????C: Wooden Screw : ??????
????D: Drywall Screw : ???????
????E: Self Drilling Screws ?????????β??????????????β??????????????
???????????塢?????塢??п??塢????????
???????????????????????????????
?????????????????????????????????
??????????????????????????????豸??????????
????????????
???????????????????????????????????
???????????????????????Ч???
????E-1:STAINLESS STEEL SELF DRILLING SCREWS ???????β???
????E-2:Bi-Metal Self Drilling Screws ?????????β???
????B: Tapping Screw: (????????????????????????)
????B-1: Sheet Metal Tapping Screw. (????????????)
????B-2: Plastic Tapping Screw. ( ??, ??????)
????C: Wooden Screw : ??????
????D: Drywall Screw : ???????
????E: Self Drilling Screws ?????????β??????????????β??????????????
???????????塢?????塢??п??塢????????
???????????????????????????????
?????????????????????????????????
??????????????????????????????豸??????????
????????????
???????????????????????????????????
???????????????????????Ч???
????E-1:STAINLESS STEEL SELF DRILLING SCREWS ???????β???
????E-2:Bi-Metal Self Drilling Screws ?????????β???
????a.Low Carbon Steel :??? ????????????????????????????
????b. SS-304 : Stainless Steel 304 ??316?????????????
????c. SS-302: Stainless Steel 302 :????????
????d. Aluminum 5052 :????? 5052
????d. Brass: ???
????e. Bronze: ???
????f. UNS C11000 Copper: ??
????b. SS-304 : Stainless Steel 304 ??316?????????????
????c. SS-302: Stainless Steel 302 :????????
????d. Aluminum 5052 :????? 5052
????d. Brass: ???
????e. Bronze: ???
????f. UNS C11000 Copper: ??
????A: ???????
????B: ???????
????C: ??????
????A: ?????е???: Metric
????Ex: M3 x 6 – P P B : M3 ??е???, 6mm ??, ???, ????, ???.
????Finish Code: ??????
????Head Code: ???????
????Thread Code
?????????? Drive Code: ??????,???????
????Length Code: ??????? (mm)
????A-1: Thread Code: ??????
??????????????????????????????,
??????M3 ????????3.00mm.; M4 ????????4.00mm.
????Metric Thread Size x Pitch:
????Note: ????????????????,???????????????.
??????M3x0.5 , M4x0.70, M5x0.8 , M6x1.
?????????????淶, ???????.
????A-2: Length Code: ???????:
???????????, ????????????, ??λ?mm.
???????????????, ?????????????????, ??????????.
???????????????, ?????????????????????.
????A-3: Drive Code/ ??????,????.
????B: ???????
????C: ??????
????A: ?????е???: Metric
????Ex: M3 x 6 – P P B : M3 ??е???, 6mm ??, ???, ????, ???.
????Finish Code: ??????
????Head Code: ???????
????Thread Code
?????????? Drive Code: ??????,???????
????Length Code: ??????? (mm)
????A-1: Thread Code: ??????
??????????????????????????????,
??????M3 ????????3.00mm.; M4 ????????4.00mm.
????Metric Thread Size x Pitch:
????Note: ????????????????,???????????????.
??????M3x0.5 , M4x0.70, M5x0.8 , M6x1.
?????????????淶, ???????.
????A-2: Length Code: ???????:
???????????, ????????????, ??λ?mm.
???????????????, ?????????????????, ??????????.
???????????????, ?????????????????????.
????A-3: Drive Code/ ??????,????.
????a. Slotted: ??? ( Minus )
????b. Phillips: ??? ( Plus )
????c. Phil-Slot: ???/???
????d. Hex Scoket: ??????
????e. One Way: ???? (???????,???????)
????A-4: Head Code/ ???????.
????a. Flat: ?? (?????,?????????????)
????b. Oval: ????
????c. Round: ??
????d. Pan: ????
????e. Truss: ??????
????f. Hex : ?????.
????A-5: Finish Code/ ??????.
?????????????? :???????????? Tapping Type.
????Ex: M3 x 6 –PPB, Tapping Type:
????M3 ??????, 6mm ??, ???, ????, ???.
????????????????, ???ж??Sheet Metal ???????????.
????***???????????.***
????b. Phillips: ??? ( Plus )
????c. Phil-Slot: ???/???
????d. Hex Scoket: ??????
????e. One Way: ???? (???????,???????)
????A-4: Head Code/ ???????.
????a. Flat: ?? (?????,?????????????)
????b. Oval: ????
????c. Round: ??
????d. Pan: ????
????e. Truss: ??????
????f. Hex : ?????.
????A-5: Finish Code/ ??????.
?????????????? :???????????? Tapping Type.
????Ex: M3 x 6 –PPB, Tapping Type:
????M3 ??????, 6mm ??, ???, ????, ???.
????????????????, ???ж??Sheet Metal ???????????.
????***???????????.***
????C-1: Thread Code:
??????????????8, ??????????????.
????Ex: 1/8 x 0.50 –PPB: 1 ??????? x 0.50” ??, PPB
????Ex: 5/16 x 0.50 –PPB = 2.5/8 x 0.50-PPB : 2 ???????? x 0.50” ??, PPB
????Ex: 5/32 x 0.50 –PPB =1.25/8 x 0.50-PPB: 1 ??2 ??????x 0.50” ??, PPB
????Ex: 1/4 x 0.50-PPB= 2/8 x 0.50-PPB: 2 ??????? x 0.50” ??, PPB
?????: ????????????????.
????UNF: ??? :??????????.
????UNC:???? : ???е???????.
????Ex: 3/8 x 0.50 ,UNF –PPB: 3 ???????? x 0.50” ??, PPB.
????C-2: Length Code:
??????????, ?????25.40 ?????mm.
???????????????????????????????????????????????????????
??????????????????????????????
????????????????????????λ????6??8??10??12??18??20????????????????????λ????0.5,0.75,1,1.5,2,3,???
???????????????????????λ???????????25.4???????3/16,5/8,1/4,1/2,????????ù?????????????????????????С????
?????????????????纬????????????????????25.4???????????????????????????????????????????????????????????????????????????????????
??????????????e?????????????????????????????????????????????????????ò?????γ??????10??15??20?????????????o???????????????
????????????λ?涨?????????????????磺G1"?? ?ù????λ????涨??????????????????磺M30??
?????????????(24.5????)???ж???????????,?????55???.????????????????????MM?????????,?????60???
???? ???????????????????????????????
?????????????????????????????????????????????????????????????????????55?????????????????????60????????????????????????????????????????1/2??????????????????1/2?????????1/2-12????????????1/2-13????
??????????????8, ??????????????.
????Ex: 1/8 x 0.50 –PPB: 1 ??????? x 0.50” ??, PPB
????Ex: 5/16 x 0.50 –PPB = 2.5/8 x 0.50-PPB : 2 ???????? x 0.50” ??, PPB
????Ex: 5/32 x 0.50 –PPB =1.25/8 x 0.50-PPB: 1 ??2 ??????x 0.50” ??, PPB
????Ex: 1/4 x 0.50-PPB= 2/8 x 0.50-PPB: 2 ??????? x 0.50” ??, PPB
?????: ????????????????.
????UNF: ??? :??????????.
????UNC:???? : ???е???????.
????Ex: 3/8 x 0.50 ,UNF –PPB: 3 ???????? x 0.50” ??, PPB.
????C-2: Length Code:
??????????, ?????25.40 ?????mm.
???????????????????????????????????????????????????????
??????????????????????????????
????????????????????????λ????6??8??10??12??18??20????????????????????λ????0.5,0.75,1,1.5,2,3,???
???????????????????????λ???????????25.4???????3/16,5/8,1/4,1/2,????????ù?????????????????????????С????
?????????????????纬????????????????????25.4???????????????????????????????????????????????????????????????????????????????????
??????????????e?????????????????????????????????????????????????????ò?????γ??????10??15??20?????????????o???????????????
????????????λ?涨?????????????????磺G1"?? ?ù????λ????涨??????????????????磺M30??
?????????????(24.5????)???ж???????????,?????55???.????????????????????MM?????????,?????60???
???? ???????????????????????????????
?????????????????????????????????????????????????????????????????????55?????????????????????60????????????????????????????????????????1/2??????????????????1/2?????????1/2-12????????????1/2-13????
??????(?)????????? Screws And Shafts For Motorcycle Or Bicycle
????????????????? Screws And Shafts For Sewing Maching
?????????? Socket Set Screws
??????????????? Stainless Steel Coarse Thread Screws
???????????????? Stainless Steel High-Low Thread Screws
??????????е??? Stainless Steel Machine Screws
???????????β??? Stainless Steel Self Drilling Screws
??????????????? Stainless Steel Self Tapping Screws
???????????????? Stainless Steel Thread Cutting Screws
?????????????????? Stainless Steel Tri-Lobular Thread Screws
??????????
???????????????????
???????????——??????????????о?????????——???????
????l???????????????????????????????????д?????????????Сд????????? 7H??6g????????????7H??6g??????????????H7??g6????????幫??????
????2?????????涨??????S????????У???N?????????????L?????????????????￡???????????????????????????????е?????????N???????????????????????????S??L????“ M20-5g6g??L”????????????????????????????????“M20-5g6g??30”??
???????????
????????????????????????M+ ???????+????+??????????????о?????????——???????
???????????????????????M+ ???????*???+????+??????????????о?????????——???????
?????????????????????????“ LH”?????
????M 16??5g6g??????????????????????16?????????????????о? 5g???? 6g???????????е????????
????M16×1 LH??6G?????????????????????16?????1?????????????????о????????6G???????????е????????
?????????????
??????????????????????????????G???????????????NPT?????+ ??????+??????????+????
????G1A--LH??????????????????????????1in???????????????A????
????Rcl??2???????????????????????????1??2in????????
????????????????? Screws And Shafts For Sewing Maching
?????????? Socket Set Screws
??????????????? Stainless Steel Coarse Thread Screws
???????????????? Stainless Steel High-Low Thread Screws
??????????е??? Stainless Steel Machine Screws
???????????β??? Stainless Steel Self Drilling Screws
??????????????? Stainless Steel Self Tapping Screws
???????????????? Stainless Steel Thread Cutting Screws
?????????????????? Stainless Steel Tri-Lobular Thread Screws
??????????
???????????????????
???????????——??????????????о?????????——???????
????l???????????????????????????????????д?????????????Сд????????? 7H??6g????????????7H??6g??????????????H7??g6????????幫??????
????2?????????涨??????S????????У???N?????????????L?????????????????￡???????????????????????????????е?????????N???????????????????????????S??L????“ M20-5g6g??L”????????????????????????????????“M20-5g6g??30”??
???????????
????????????????????????M+ ???????+????+??????????????о?????????——???????
???????????????????????M+ ???????*???+????+??????????????о?????????——???????
?????????????????????????“ LH”?????
????M 16??5g6g??????????????????????16?????????????????о? 5g???? 6g???????????е????????
????M16×1 LH??6G?????????????????????16?????1?????????????????о????????6G???????????е????????
?????????????
??????????????????????????????G???????????????NPT?????+ ??????+??????????+????
????G1A--LH??????????????????????????1in???????????????A????
????Rcl??2???????????????????????????1??2in????????
????P????????PAN?;A?????β??,B?????????????PA?????????,PB??????????
?????????:
??????????????PA
?????????β??????PB
??????????β??????PT
??????????????????PWA
?????????????β???PWB
?????????????β???PWT
??????????????KA
?????????β??????KB
??????????β??????KT
???????????????OA
??????????????BA
?????????β??????BB
???????????????TA
??????????β??????TB
???????????β??????TT
??????????????CA
?????????β??????CB
?????????????????HA
?????????/??嶤/?????
?????????:::
???????????????PM
??????????????????PWM
????????????????TM
???????????????KM
????????????????OM
???????????????BM
???????????????CM
???????????????HM
?????????:
??????????????PA
?????????β??????PB
??????????β??????PT
??????????????????PWA
?????????????β???PWB
?????????????β???PWT
??????????????KA
?????????β??????KB
??????????β??????KT
???????????????OA
??????????????BA
?????????β??????BB
???????????????TA
??????????β??????TB
???????????β??????TT
??????????????CA
?????????β??????CB
?????????????????HA
?????????/??嶤/?????
?????????:::
???????????????PM
??????????????????PWM
????????????????TM
???????????????KM
????????????????OM
???????????????BM
???????????????CM
???????????????HM
??????????????????????????????????????????
??????????Cap screw ????????????????????????????÷???
????????????Hex cap screw???Hex bolt ???????????????????????????????????e???????? ????ASME B18.2.1?????????????(Hex cap screw)??????????????(Hex bolt)????????????С?????ASME B18.2.1???????????????????????????????????????????????????????????????????
??????????????Socket cap screw ??????????????????(Allen bolt)??????????????????????????????????(hex key, Allen wrench or Allen key)?????????????????????????????????????????????????????????????? 1.5?? (1960???)????????????????????????????(Bottom head cap screw)??????????????????????(Countersunk head cap screw)????????????????????????????????????????????????????????????????С????????????????????
???????????Machine screw ??????????????¼???????(4#~12#)???????????????????????????????????????????
???????????
????????????????в?????????????????????????????????????????????С????????????????????????????????????????????????????????????????????????????????????????糵?????????????С??????á???????????????????????????????????????????????????????
??????????????????????????С????????????繤?????????????????????????????????????????????壬????????г????????????????????????????????????????????????????????????δ????????????????????????????????“?????”???????????????????????????????У???????????????????????????????????????????????????6g????2???????????“IFI”?2A?????????蹤???????????8g????3????“IFI”?1A??????
??????????Cap screw ????????????????????????????÷???
????????????Hex cap screw???Hex bolt ???????????????????????????????????e???????? ????ASME B18.2.1?????????????(Hex cap screw)??????????????(Hex bolt)????????????С?????ASME B18.2.1???????????????????????????????????????????????????????????????????
??????????????Socket cap screw ??????????????????(Allen bolt)??????????????????????????????????(hex key, Allen wrench or Allen key)?????????????????????????????????????????????????????????????? 1.5?? (1960???)????????????????????????????(Bottom head cap screw)??????????????????????(Countersunk head cap screw)????????????????????????????????????????????????????????????????С????????????????????
???????????Machine screw ??????????????¼???????(4#~12#)???????????????????????????????????????????
???????????
????????????????в?????????????????????????????????????????????С????????????????????????????????????????????????????????????????????????????????????????糵?????????????С??????á???????????????????????????????????????????????????????
??????????????????????????С????????????繤?????????????????????????????????????????????壬????????г????????????????????????????????????????????????????????????δ????????????????????????????????“?????”???????????????????????????????У???????????????????????????????????????????????????6g????2???????????“IFI”?2A?????????蹤???????????8g????3????“IFI”?1A??????
