常见缩写格式如下:
3 G' [6 I% r8 w6 G9 D& ]9 L&NT
% P# w) q; n% C# n, a0 H; I |
" v+ H$ h% Q E% ?- G; CWith Nut" ^; B2 m; E s; r! D0 B
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AN
- g2 i( f9 ~ u1 a' J6 w0 I | Precedes a dimensional specification for aircraft fasteners developed by the Aeronautical Standards Group.+ g4 e5 ~& j# q0 {
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ASTM: A0 ^$ O# k: f7 z A# d) o
| American Society for Testing and Materials. Used preceding a standard number developed by that group.' F& {5 L9 V/ ] {% n6 f
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BR
2 Z7 m9 c' ]2 p' [- F7 v | Brass
: n9 g( J( [# Q7 W |
BSF" V2 }# z% j1 A0 `% `/ k
| British Standard Fine% Q8 e' H8 ]) J
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BSW) G( Q, K0 k( g* F9 L# R6 L$ o
| British Standard Whitworth
: Z0 W. ~% F$ Y" I9 g6 Z |
BT
) k3 O" o, ~3 L1 K. P: C/ [ | Bolt (on drawings)
9 i9 v; z) t+ D6 s9 m8 z7 x9 S4 S" |( f |
C
/ V$ q- f$ n) k( U: G- S2 I | National Coarse Thread
3 ]1 A7 [+ d# ^% r/ I |
CL6 f5 N% F( v. X
| Class (Metric Material/Strength Specification)
# I" i% C' I. _3 I |
CR# _& m- S. F, l! ~
| Chrome- D& [' f* f1 s. i; t1 o/ D# F' ?
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CSS& ~! {( E/ ]2 |9 m/ Z* {! y
| Counter Sunk Screw (flat or oval head)
" w) K- B" G) k- B& [' ~ V |
CT
* Y4 k. z+ p9 }2 G | Course Thread4 `3 K# B/ ?2 i) u8 d: C0 d
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DIN& ]7 k) G9 I8 ^2 P
| An abbreviation for Deutsches Institut für Normung, the German standards body. In reference to fasteners DIN indicates fasteners that conform to a specific metric standard (will be followed by the standard number). |
F8 Z' X7 h5 P/ X- H0 L0 g6 p
| Fully Threaded
* g# Q0 u" a' s* X: [. E |
FH
* y! [2 }; @- j | Flat Head/ J$ }% e& f# k& a; Z3 I- P8 A
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FIL' o- E3 B: K" A+ K9 R
| Fillister Head* l$ W0 g1 |5 z {# d4 _, Z5 [
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FIN7 U5 n9 K1 g5 J) D' q
| Finishing (Washer)& D* v2 ^9 o0 N* b" o# ^& a! b2 ~
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FNDR
( J1 g. v: H& s2 M0 k | Fender (Washer)
O) s/ L: I+ G9 s. H6 b& I# | |
FT
N, y4 z9 P& ?. ?: v) O4 V1 w | Fine Thread, Fully Threaded6 r" M6 n) Z+ p& q0 S7 F/ o3 @
|
G
/ d7 x* u' ]% Y | Grade. h' z/ D+ e* R- Z! {+ L& a
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Galv.4 G) T2 _$ X) d5 i X& u
| Galvanized# u; B4 G2 i$ }2 l3 ~5 d9 t
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Galvi
" u+ T3 {1 I+ }" y5 X A* y2 g | Galvanized
2 N9 u; O% [& m3 n2 W$ D) @ |
GR
0 r( @( D' u+ _6 S7 l' K | Grade; u* i9 _/ i1 K' l8 C" c9 m$ K2 z
|
GV# ?% h$ j. `; A" R! D0 y4 l
| Galvanized
$ T( L- n: H2 @3 I f# Q |
HD
% c" B" ?- `+ |% }, s# k | Head
9 d5 v+ m: U# D# J1 o |
HHMB+ ]1 o, ?/ V/ B# L" Q
| Hex Head Machine Bolt" Z% P7 }) o {' b1 O% C
|
HVHX9 n+ O# {- e2 G/ f4 w$ g3 c. e
| Heavy Pattern Hex Bolt
4 j( k# z1 w1 m7 a6 j |
HX6 i' H7 l" i+ V
| Hex
5 O( O' [6 e5 z9 }* B |
JMNT B$ {3 ^" U. {: D3 `
| Jam Nut* Z3 f2 h1 t: r$ S) e* n
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LB. i$ X1 {! P7 M7 z+ f# t$ c
| Lag Bolt, weight in pounds
+ U6 w& J8 A" Z5 Y4 j |
| LH | Left Hand Thread |
LW
, F3 Y# F( [- U/ P) L9 Z | Lock Washer
) O l, E2 J0 r: t8 ^! j6 v9 z |
M2 J7 a+ N) z0 S9 C
| Metric! c! z2 [- i& d1 v8 q
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MB
+ `6 d" h& j" n+ w5 k. y | Machine Bolt
2 o0 _ Z T$ P3 u- ] |
MS
6 Y( |) }8 ^) L- t' w | Machine Screw
6 }7 G" y* z$ S. V5 z1 g5 t |
MSNT
/ T, n/ P# |. S1 y& f# \ | Machine Screw Nut. @4 v! x! u( F3 G# ]) X
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NC) a. @0 n7 j# [- H2 h3 t
| National Coarse Thread( t. w5 ~' C T* e; u9 n
|
NF$ W3 m1 E9 d' A" u; _- P" D
| National Fine Thread) }/ m/ ]+ s( @, t; N8 V3 |# D
|
NT$ e- s- R4 T9 c( {# P& E8 f5 U
| Nut
# H# S( {4 Z8 M& a W1 w |
OH
+ e: Q) ~4 a" e% z | Oval Head+ o+ J- K8 ]4 G* t i
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OV
6 Y7 Y# q- p) k. D2 k: S+ Y* h ~ | Oval Head! ^2 b( Q/ D6 k, A9 x8 k( }( I
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P
8 z0 L9 H2 C+ s4 L% b1 s | Philips2 P2 h- X, Q' A/ V1 m6 C) `
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PH$ J& ~/ m+ P! L7 @
| Philips Head& p9 E4 c8 I. J5 e# K
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Phil.
8 {5 A2 Z+ T8 x( Z( e/ T | Philips Drive 8 Q' z' a4 g+ _* @
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PN
% a$ z! M! D/ K | Pan Head
* H* v4 S( x. M; u: w% j/ j D( c |
PT
6 _. v( ~4 N4 t | Partial Thread
k/ T$ q0 d) D% |4 a w9 H Q |
RD4 A3 Y/ b" k0 m: }4 n
| Round Head
7 }7 D. m5 s: L3 E! w& ~ Y |
RH
+ m4 T: \) m+ H1 e | Round Head, or Right Hand Thread" x: l3 N, T+ ]
|
| S | Slotted |
S/S
' v0 _/ _! q. D% T0 h. W | Stainless Steel$ O# Q3 e6 U( p+ n" F
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SAE ?+ u: q s5 o( x. v- h7 t9 Z7 l, w6 c
| SAE Pattern (Washers) These washers have a smaller outside diameter than USS pattern washers, Also used to indicate US Fine Thread
( S( [5 g: K; G" f |
SBR! t3 R" G% I! n
| Silicon Bronze
5 R( E( T. c$ Z5 p$ f |
SD# |- U2 a. [2 ~- [2 f8 g
| Square Drive
+ `+ {4 X- V9 a. o |
SEMS+ N+ Q: H# R2 n
| A type of pre-made screw and washer assembly
( @9 e! R; }# x9 s3 h |
SKT
1 t/ O+ f3 q! u7 d | Socket: j P: j, E. w" o) `
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SL
% P! h" Q7 e. T8 l; \ | Slotted7 q) S* J( Z- s- `4 a
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Slot.
( }: p* L4 O3 @# l6 N) H( q | Slotted Drive x! @3 e: I' o* e' |4 I
|
SMS4 q* T; m* Q, ~& j
| Sheet Metal Screw( B; e! X& E* q9 p5 a$ m
|
SQ
2 r4 ]* F5 t1 i# F% b% v | Square
) P" g$ D- E3 w |
SS3 `$ M5 p5 ~5 `/ n1 [) U7 L& H/ g
| Stainless Steel, Set Screw
/ F' s, A! x# R# ? i! E |
USS
4 }9 e& g8 k B0 N8 ]8 m | USS Pattern (washers). These washers have a larger outside diameter than SAE pattern washers, Also used to indicate US Course Thread
* `+ m" E- S' p! S |
WS
" @0 ^( o5 Q) \1 G/ P1 n% M | Wood Screw; h- @" K, k5 ^ _7 v! a* {% i; p
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Z) X9 R+ @* F3 y7 q
| Zinc" A3 l) @5 G, T+ a" o" W
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