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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(truncated)-Table 7

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 mint maxt minM No. k maxk min
#2 56|640.1720.1470.0460.0360.08710.0360.028
#3 48|560.1990.1710.0530.0430.09410.0420.033
#4 40|480.2250.1950.0680.0580.10910.0470.038
#5 40|440.2520.220.0790.0690.1210.0530.043
#6 32|400.2790.2440.0630.0450.13820.0590.048
#8 32|360.3320.2920.0910.0730.16620.070.058
#10 24|320.3850.340.1070.0890.18120.0810.068
#12 24|28|320.4380.3890.10.0820.22530.0920.078
1/4 20|28|320.5070.4520.1150.0970.2430.1070.092
5/16 18|24|320.6350.5680.1450.1270.30940.1340.116
3/8 16|24|320.8750.7750.2380.220.40140.1560.13
7/16 14|20|280.8120.7230.2220.2040.38540.1560.133
1/2 13|20|280.7620.6850.1930.1750.35740.1610.14
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