. 建筑用螺栓
.
H/T (摩擦融合高张力)
.
T/S (萄鲁吉亚高张力)
.
A325M / A563M / F436M
.
A490M , A320 , A193
.
B7 , B7M , L7 , B16 , B8 , B8M
. H/T BOLT SET
. T/S BOLT SET
. ASTM, A325M, A490M
. ASTM, A193, A320, B7, L7, B8, B8M (石油化工厂房及管道)
