美國universal 通止規、螺帽深度計、螺帽檢查塞規
通止規：go #5 nogo、go #6 nogo、go #7 nogo、go #8 nogo、go #9 nogo、go #10 nogo、go #15 nogo、go #20 nogo、go #25 nogo、go #27 nogo、go #30 nogo、go #40 nogo、go #50 nogo、go #55 nogo、go #60 nogo、go #70 nogo、go #80 nogo
t型螺帽深度計：#5 6-lobe tm、#6 6-lobe tm、#7 6-lobe tm、#8 6-lobe tm、#9 6-lobe tm、#10 6-lobe tm、#15 6-lobe tm、#20 6-lobe tm、#25 6-lobe tm、#27 6-lobe tm、#30 6-lobe tm、#40 6-lobe tm、#50 6-lobe tm、#55 6-lobe tm、#60 6-lobe tm、#70 6-lobe tm、#80 6-lobe tm i型塞規：universal type 1 #0、universal type 1 #1、universal type 1 #2、universal type 1 #3、universal type 1 #4
i型深度計：#1 type 1 penetration、#2 type 1 penetration、#3 type 1 penetration、#4 type 1 penetration
ia型塞規：universal type 1a #0、universal type 1a #1、universal type 1a #2、universal type 1a #3、universal type 1a #4
i型深度計：#1 type 1a penetration、#2 type 1a penetration、#3 type 1a penetration、#4 type 1a penetration
#8926 total recess depth gage、#8917 total recess depth gage