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统一螺纹80°米字槽沉头螺钉 BS 1981

80° Countersunk flat head screws with type Z cross recess-Table 5

标准类型:BS/英国  标准号:BS 1981-1991  规格:#2~1/2

统一螺纹80°米字槽沉头螺钉 BS 1981尺寸图纸

单位:英寸(inch)

统一螺纹80°米字槽沉头螺钉 BS 1981规格参数

(inch) P dk maxdk mink t maxt minM No.
#2 56|640.1720.1470.0510.0530.0430.0941
#3 48|560.1990.1710.0590.0580.0480.0991
#4 40|480.2520.220.0750.0710.0530.1462
#5 40|440.2250.1950.0670.0790.0690.121
#6 32|400.2790.2440.0830.0910.0730.1662
#8 32|360.3320.2920.10.1070.0890.1812
#10 24|320.3850.340.1160.1220.1040.1962
#12 24|28|320.4380.3890.1320.1250.1070.253
1/4 20|28|320.5070.4520.1530.1510.1330.2753
5/16 18|24|320.6350.5680.1910.1930.1750.3574
3/8 16|24|320.7620.6850.230.2220.2040.3854
7/16 14|20|280.8120.7230.2230.2380.220.4014
1/2 13|20|280.8750.7750.2230.2530.2350.4164
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