美制(UNC) 英制(BSW) 重型(A194 2H)螺母,螺栓,外六角,美制2级,美制5级,8级
美制2级六角螺母1/4–2-1/2寸本色镀锌现货供应,美制5级粗牙螺母发黑镀锌
1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 1/2-12 9/16-12 5/8-11 3/4-10 7/8-9 1-8 1-1/8-7 1-1/4-7 1-3/8-6 1-5/8-5
1-3/4-5 1-7/8-5 2-4.5 2-1/4-4 2-1/2-4
美制细牙5级螺母发黑镀锌1/4-28 5/16-24 3/8-24 7/16-20 1/2-20 9/16-18 5/8-18 7/8-14 1-12 1-14 1-1/8-12 1-1/4-12 1-1/2-12 1-3/4-8 1-3/8-8 1-1/2-8 1-5/8-8 1-7/8-8 2-8 2-1/2-8 2-1/4-8 3-8 4-8以上现货供应高强度螺母,定做各种冷镦异型件

