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Dongri fine thread silk attack M3M4/5/6*0.5M7*0.75M8/M9*1M10*1.25M12*1.

price:USD$110.88
discount 70% in 2018-09-25 to 2018-09-27
price: USD$ 77.62
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Hongkong East customer service Tel: 13352659601
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Specification of thread size under screw thread

Wire tap specification Drill diameter Inner diameter of 2 stage thread Wire tap specification Drill diameter Inner diameter of 2 stage thread
mm Upper limit of D- Lower limit of D- mm Upper limit of D- Lower limit of D-
1/8-40 2.65 2.697   3.0×0.5 2.5 2.599 2.459
5/32-32 3.25 3.530   4.0×0.7 3.3 3.422 3.242
3/16-24 3.75 4.597   5.0×0.8 4.2 4.334 4.134
1/4-20 5.10 5.257   6.0×1.0 5.0 5.153 4.917
5/16-18 6.60 6.731   8.0×1.25 6.8 6.912 6.647
3/8-16 8.00 8.153   10.0×1.5 8.5 8.676 8.376
7/16-14 9.40 9.550   12.0×1.75 10.3 10.441 10.106
1/2-12 10.70 11.020   12.0×1.5 10.5 10.676 10.376
5/8-11 13.70 13.860   12.0×1.25 10.8 10.912 10.647
3/4-10 16.70 16.840   14.0×2.0 12.0 12.210 11.835
7/8-9 19.50 19.760   14.0×1.5 12.5 12.676 12.376
1''-8 22.40 22.600   16.0×2.0 14.0 14.210 13.835
        16.0×1.5 14.5 14.676 14.376
        18.0×2.5 15.5 15.744 15.294
        20.0×2.5 17.5 17.744 17.294
        22.0×2.5 19.5 19.744 19.294
        24.0×3.0 21.0 21.252 20.752