螺丝资料大全

DBOTVN

??????Н????.????:

A:???? ( 60 ?? )???/??

B:?????? ( 55 ?? ): ???/??

C:????? ( 30 or 29 ??) : ???????

D:???? ( 90 ??) : ????????.???????:

A: Machine Screw: ?????

B: Tapping Screw: ????? (??????????????????)B-1: Sheet Metal Tapping Screw. (?????????)

B-2: Plastic Tapping Screw. ( ?????,?????)

C: Wooden Screw : ??????

D: Drywall Screw : ∈?????

?.????????:

a.Low Carbon Steel :???

b. SS-304 : Stainless Steel 304

c. SS-302: Stainless Steel 302 :?????????

d. Aluminum 5052 :???? 5052

d. Brass: 咘?e. Bronze: ??

f. UNS C11000 Copper: ??

??.???????????:

A:??????

B:????

C:?????

A:?????????: Metric

x

, 6mm?,????,??????,?咥.

Finish Code: ????????

Head Code: ???????

?????? Drive Code: ??????,???????

Length Code: ????? (mm)

??????

?????????????????????????,

??M3?????????3.00mm.; M4?????????4.00mm.Metric Thread Size x Pitch:

Note:?????????????????,????????????.

??M3x0.5 , M4x0.70, M5x0.8 , M6x1.

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??????????,??????.?????:

??????,???????????,????mm.

??П????????,?????????П???,??????催??.??????????,????П?????????????催??.??????,???.

??????????:

a.Slotted:??? ( Minus )

b.Phillips: ???? ( Plus )

c.Phil-Slot: ???/????

d.Hex Scoket: ?????

e.One Way: ???? (???????,??????)

???????.

??????????:

a.Flat:???? (?????,乊??????唤??)

b.Oval:?????

c.Round:????

d.Pan:??????

e.Truss: ????????

f.Hex : ?????.

??????.

??????????:

a.Z: Zine-Plated: ??

b.Ni: Ni-Plated: ??

c.Tin-Plated: ??

d.Zine Plated / Green Iridite: ???????.

e.Radiant Plated: ????

f.Passivate:????????.

g.Alodial Finish: ???????? :??????????????? Tapping Type. Ex: M3 x 6 –PPB, Tapping Type:

M3?????, 6mm?,????,??????,?咥.

?????????????,???????Sheet Metal ???????????.DBOTVN

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B:????.

a.?????????,?? #2-56, #4-40, #6-32, #8-32, #10-24…etc.

b.????????????,

??0.086-56, 0.112-40 , 0.138-32 , 0.164-32 , 0.190-24…etc.

Ex:

Finish Code: ????????

Head Code: ???????

Drive Code: ??????,???????

Length Code: ?????

Thread Code: ??????

??????

??????????:

a. #2-56 (0.086-56): 2? 56?

b #4-40 (0.112-40) : 4 ?40?

c.#6-32 (0.138-32) : 6?32?

d.#8-32 (0.164-32) : 8 ? 32?

e.#10-24 (0.190-24): 10? 24?

***?????П???.***

B-2: Length Code: ?????

???????乏????,????????mm????.

???????: (Length Code / 32) x 25.40 = ???????mm

B-3, B-4,B-5 : ???????????????.

C:?????:

C-1: Thread Code:

??????????8,??????????П???.

0.50” ?, PPB Ex: 1/8 x 0.50 –PPB: 1????? x

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:?? : ???????????.

Ex: 3/8 x 0.50 ,UNF –PPB: 3?????? x 0.50” ?, PPB.

???????,乏Ь?25.40????mm.

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DBOTVN

???????????

?????????PA?????????PA

??????????PWA??????????PWA

???????????PB???????????PB

??????????PT??????????PT

???????????

?????????????PWT?????????????PWT

????????KA????????KA

????????KA????????KA

????????????KB?????????KB

???????????

????????OA????????OA

???????BA???????BA

??????????????????

????????????TT????????????TT

???????????

????????????KT????????????KT

????????????CA????????????CA

????????????????????

????????????????PWB ????????????????PWB

???????????

????????????????

????????????????????????

????????????????

?????????????

??????Seasons???

E-mail : Seasonses@http://wendang.chazidian.com??????????????????

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