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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?3 \$ q# X% _4 Q( x8 l9 W% d
头型% R7 v) t$ z7 L6 Y
1.六角头(hexagon head)/ [- ?2 |. y& D- G0 e9 D+ p/ h' v
2.六角头法兰面(hexagon head with flange). Q! M, i* G" b8 M+ l% J1 \
3.方头(square head)# S+ G# {, ?- H& T$ r: u- M
4T形头T head (hammer head: G' O3 U g& t, b* g' Z
5.扁圆头mushroom head(truss head)
! J9 M* X. p& _5 s7 ~6.圆柱头(cheese head)( g+ F# f- s2 T' \1 j
7.圆头(round head)
8 x4 b/ z3 L* P7 ~1 g! g. ]8.盘头(pan head)
% ?3 G, g- C' L& F, B8 H. S/ z: N9.沉头 countersunk head (flat head)' S) i+ v5 V/ p6 S
10.半沉头 raised countersunk head (oval# ]( P# _ i, t0 F* d# ^. c& }! S
槽型 :# {/ K: P" I7 J. y' P+ {
1.一字
6 \2 L( H: {4 E4 \2.内三角) Z3 b- _4 A- n4 n! a _. w
3.内角四方. }1 ?! Y6 B0 s' w2 [
4.十字
( p% p& K1 k, W5.米字/ E( ` r6 y. ]- t
6.花形
2 C& [4 L8 M. z0 E& t! K8 t( l7.梅花形
& Z I& t/ G( Z2 {& ^5 l8.花形一字5 v* t; p; W) |, R7 `
9.特形: k% t9 H4 k& ?: I$ g) Y/ A9 |
10.内六角
, I4 j$ A# \7 G* f8 o. J L" Q) t' V$ c# P/ A2 |% f
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