螺纹大径:Major Diam 5 u& _6 i% [& @+ X/ w% T8 [& C' N& e螺纹 中径:Pitch diam $ n3 j8 N r* I C, ^* o/ S螺纹 底径:Minor diam. `2 F/ C" K3 r; q* H3 ~ 通止规:Go/No go gage - i/ C9 K; P& B j机械性能:mechanical and physical properties 3 @: K0 Y3 K0 q' Bunified thread 统一英制螺纹 , I+ K; x+ ]% mLustrate hydrogen after galvanizing to avoid hydrogen embrittlement 镀后去氢,防止氢脆 % b5 T7 K, O! V& k, kCase carburization 表面渗碳 % t& `% z8 d% l) Y2 Y' c! I' b4 MWith across flats 对边 2 N! V) t$ X8 ?8 @With across corners 对角 ! P- c- X7 ?2 i, i2 U8 B. x; URadius of fillet:头下圆角 5 R; N; S* x5 a; C9 ~8 mTransition thread length 过度螺纹+ L d1 s7 i5 M3 k Wrenching height 扳拧高度" e) |7 U+ m& {& }$ y7 m& @6 _- T Rockwell 铬氏硬度 ) g& \4 p/ F+ ~( r( u8 E; P4 ~Vickers 维氏硬度 " h% h4 c9 L/ W, K% c+ [0 M2 mBrinell 布氏硬度2 f8 u9 A# J5 y, ? Metallography microscope 金相显微镜 : p" E$ @" T3 W. I fSalt spray device 盐雾试验箱 . @ r5 x. h4 a/ {7 v* rTensile testing machine 拉力试验机 - \, {7 v$ z) \6 E9 h, m7 CCold forming 冷打 . W+ g0 e! t/ d4 @8 ZHot forging 红镦 l3 u% ]8 w9 n9 j. GP C 8 = property class 8 机械性能8级 1 d6 s! V% f( O6 D . }) _' x- U9 y原材料:Raw material % b4 [% A! [5 o# v3 v- A0 \球化退火:Annealing " M' F" e+ P3 }冷拔:Drawing$ A& K2 ~* q% e- t4 ? 冷镦:Forming & J8 m: _5 S5 H+ x" N; e机加工:Machiningk, i# e9 L2 r6 Y8 e3 h 螺纹成型:Roll Threading' v% J* A r3 N9 B3 W- E5 O 热处理:heat-treatment 6 ^. ~$ H# Z& ~% r0 Q; @表面处理:finish - Q, Z3 _+ m! c h0 l去氢:Lustrating hydrogen 3 r. t7 `, j; M, u: A) r3 n检验:Inspection# v7 l# i+ z/ r1 X8 z8 d1 g# `2 S 包装:Packing 4 x! \" U9 z2 `入库:Stocking 7 P M7 m' }4 C( S- i车床:lathe4 h) |- z# F5 ^! h ] 磨制:grinding* M6 M- T8 D, {) q7 r# z 红打:hot forging( e$ o% S/ I9 P5 p1 o 冲压:punching 3 _4 s6 k- P" g7 g) F# v* Q! R' P/ @* N DDiameter 直径 ! g- A" ?% {/ B) tLength 长度4 U) H: i# M& S' F. V 1 标准' e: k7 V8 T! p4 _; j3 s GB (国标)ISO(国际标准)" r; b( A. u* m8 g DIN (德制) 6 I; H$ g2 C6 F% Q u4 q; IJIS (日标) ) f4 @$ ?0 f$ S& i' D- F, UANSI /ASME (美标)0 |8 @- W% j0 Q! u$ ^4 _, }/ s BA (英制)A! d4 e% I8 E. j8 P9 x. e 6 ~5 G1 F9 i1 s0 g4 q* U 2 螺纹 4 _- U4 x' X. wM. MF (公制牙), \* D7 X& z; r1 W% p UNC.UNF (美制牙) q% h& t( \, p, |& [1 [/ PBSW.BSF (英制牙) 2 L* i9 U! J% D( f) I3 海关编码3 c; X% i" O8 t% ^' S 73181500 螺栓+ t4 { D. F3 P: A 73181600 螺帽 j! M8 w1 R( ^$ ^73182100 垫圈 9 e: q# ^+ B2 v- |9 ~( s, q( ~3 t Y4 a. u$ r BO=black oxide 氧化发黑 " o& E6 ~. E* JIHH=ind hex head 锯 六角头 6 t; B" d: |; j5 ]/ r8 PPH=phillips 十字槽 1 D) W* T. q- D( Psw/fw=split washer/flatwasher 弹垫 平垫 $ C. H6 X" z( y0 |( bkep nut 锁紧螺母 & f, ?3 a& j/ mcementation 渗碳 + L4 `6 Z: e" U* p" E9 Tacorn nut 盖形螺母 " |+ L- S( y8 P: }7 g 1 V1 v- L2 l1 B+ P! i螺丝头型 + C* H$ P* y% FPan 圆头(盘头) - k2 Q! F1 c5 i. ^- QOval 半沉头2 Q/ e# B/ p; N: S( z: _ H.W.H.. 六角小法兰' E5 Y6 A, c, V1 i H.W.F. 六角大法兰 ! M5 K9 [( @; n% _9 x& n1 E& JCSK 沙拉头(沉头)' e9 K# n& j6 i; o) _ Large wafer 大扁平头: e, l8 C/ K* p8 X) M+ M6 i Bugle 喇叭头! t3 t2 t3 j X$ |4 f5 P Truss 盘头带垫8 `1 Z4 e6 N( I Pozi 米制槽 9 O# |+ W# {; @3 B0 E2 r. q9 h# BPhill 十字槽4 \- f4 Q& i c* Z% r Serra-tion 垫下带花3 I2 Q6 K4 s. k1 D& K Flower Head 开花头 ! W: b1 f1 Q. J# Z9 J5 S. n6-bobes recess 内梅花 : {' ]) n5 H, |3 r( ^' D) z3 hPiston bolt 活塞螺钉! ]) {4 Y3 ?3 d; E) D" m7 v Winding bolt 线圈螺钉$ {1 O# B5 c, z9 i Hexagon head bolts-full thread 六角头螺栓 全螺纹 ( A) [9 o7 z. C! `4 _, wCarriage bolt 马车螺栓 3 \% @' W4 n/ o- P9 N$ p8 J4 nSquare head bolt-product grade C 方头螺栓 C级. y$ G8 _- y8 E; q Flat counter sunk square neck bolts 沉头方颈螺栓* E. T4 @# B$ N0 E Flat counter sunk nib bolts 沉头带榫螺栓( h( i9 U; k. d9 R { Cup head square neck bolts 半圆头方螺栓 % n$ s+ `" I. y1 nCup head nib bolts 半圆头带榫螺栓0 {1 H4 V& ?9 ^0 u" e Cup head square neck bolts with large head –product grade C大半圆头方颈螺栓 C级3 j+ Z. n5 ^4 `( p
& |/ N9 B+ e% R1 D5 NHexagon head bolts-product grade C六角头螺栓 C级0 Y3 J" m/ k+ Q/ f& I1 p2 K Hexagon head bolts-full thread –product grade C 六角头螺栓 全螺纹 C级 4 D3 a& i h1 ~# {( zHexagon head bolts 六角头螺栓" d6 `6 |, f) _' O5 N% O# o Hexagon head bolts –full thread 六角头螺栓 全螺纹 1 s. U3 ~, u, X) y- N+ wHexagon head bolts-reduced shank-product grade B六角头螺栓 细杆菌B级 4 W/ ~) ?" V- x) c, `5 d$ H+ vHexagon head bolts with fine pitch thread 六角头螺栓 细牙/ N) l& r8 H+ ` ] Hexagon head bolts with fine pitch thread full thread六角头螺栓 细牙 全螺纹 % s+ e/ {) z) o! _Hexagon flange bolts –heavy series-product grade B 六角法兰面螺栓 加大系列车员 B级' ?! S; a% y" u0 X: l. v8 ~( n Cross recessed pan head tapping screws 十字槽盘头自攻螺钉; f& C8 X% d( Y: q Hexagon flange drilling screw with tapping screw thread 六角法兰面自钻自攻螺钉 |