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BT牙80°米字槽修剪沉头割尾自攻螺钉 ASME B18.6.4

Type BT 80°cross recessed with type Z recessed flat countersunk trim head self tapping cutting screw-Table 18

标准类型:ASME/ANSI/美国  标准号:ASME/ANSI B18.6.4-1998  规格:#4~3/8

BT牙80°米字槽修剪沉头割尾自攻螺钉 ASME B18.6.4尺寸图纸

单位:英寸(inch)

BT牙80°米字槽修剪沉头割尾自攻螺钉 ASME B18.6.4规格参数

(inch) P dk maxdk mink M t No. d maxd mind1 maxd1 mind2
#4 240.1870.1670.0520.10.0610.1140.1080.0860.0820.079
#5 200.2120.1910.060.1220.08110.130.1230.0940.090.087
#6 200.2370.2150.0680.1480.07720.1390.1320.1040.0990.095
#8 180.2620.2380.0690.1760.10520.1660.1590.1220.1160.112
#10 160.3120.2850.0850.1820.11220.1890.1820.1410.1350.13
#12 140.3620.3330.1010.1980.12720.2150.2080.1640.1570.152
1/4 140.4120.380.1120.2620.14930.2460.2370.1920.1850.179
5/16 120.4770.4420.1160.2760.16430.3150.3060.2440.2360.23
3/8 120.5970.5560.1550.3580.21140.380.3710.3090.2990.293
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