|
这些头型除了从形状和安装空间上有区别外,具体选用时有什么讲究?; z- n5 q4 ?, ?4 B+ y# m; Q
头型
$ k8 U. N8 L5 G; i" _# g0 o! J8 V1.六角头(hexagon head)
: K5 X' c5 i* N1 @, L2.六角头法兰面(hexagon head with flange)$ y; J- ^, w1 f% N2 g! }
3.方头(square head)% G6 U( `) N$ A( i! @/ O
4T形头T head (hammer head, S# A5 t1 C0 n
5.扁圆头mushroom head(truss head)
5 n9 I" G0 s3 ~6.圆柱头(cheese head)- |& ~% g# J `4 j, e4 \
7.圆头(round head)' `6 Q2 y# A, E6 w! E* S7 K3 v6 O
8.盘头(pan head)
/ y+ @! p' ?2 {/ f! M7 b1 S$ a/ D' v9.沉头 countersunk head (flat head)
! u: n4 v7 X4 K4 l1 ^10.半沉头 raised countersunk head (oval9 j! a3 u5 k" z; ^+ ~# r
槽型 :
% o- A1 ]( U( j6 f/ _: k) n1.一字
3 q% ^! P+ X7 K! Q8 I2.内三角
' a0 M$ U4 t5 I$ r7 A" `3.内角四方
6 |+ y* N9 O% r1 k0 K. d4.十字
4 v3 F( g0 C& a3 c- @$ g7 z; y5.米字& l+ d! [! M! W1 l G/ l8 u
6.花形
1 R* d* y0 k+ V1 ?7.梅花形! N+ h7 h1 Z! t( ~5 C
8.花形一字
# B& O6 ?% n) a; b4 z( J9.特形
# }4 v- u% r; A+ H10.内六角
% ^1 ]! C7 H% q
1 n: Y# z2 o) A1 X |
|