Germany Metric to DIN and ISO France NF E 2164-1967 (69) (69)27-411 Sweden SMS 2164-1967 2.175-1971 Metric for HV connections to DIN 6914-6915 Inches mm Normal Series BS 1768 Heavy Series BS 1769 Square Bolt, Hex Bolt Hex Cap Screw (Finished bolt) Lag Screw Heavy Hex bolt Heavy Hex Screw Heavy Structural Bolt Hex Flat, Hex Flat Jam, Hex Hex Jam, Hex Slotted, Hex Thick, Hex Thick Slotted Hex Castle Heavy Sqaure, Heavy Hex Flat Heavy Hex Flat Jam, Heavy Hex, Heavy Hex Jam, Heavy Hex Slotted Sqaure Nut Whitworth BS 916 1.083 Inches mm Wrenches Widths across flats and thread diameters Product information Comparison of metric, US and Imperial standard units. Diameter of thread Width United Americ. National Standard across flats Thread diameters Width standard ANSI B 18.2.1-1972 ANSI B 18.2.2-1972 across flats Nuts Bolts and mm Screws 50 33 33 3355363636 2 2.00002.1/162.06252.3/162.1.87550,8052,3955,561.3/81.1/41.3/8 1.3/8 1.1/41.3/8 1.3/8 1.1/41.3/8 1.3/8 1.1/4W 1.3/8 2.050 52,07 60 39 39 39 2.1/4 2.2.5002.3/82.3.7502.7/162.4.37557,1560,3261,911.1/21.1/2 1.1/21.5/8 1.1/2 1.1/2 1.1/2 1.1/2 1.3/6W1.1/2W 1.1/21.5/8 2.2202.410 56,3961,21 65 42 42 4270454545 2.9/16 2.5.625 65,092.5/82.6.25066,681.3/4 1.3/42.3/42.7.50069,85 1.5/81.3/4 1.5/81.3/4 1.5/8W 1.3/4 2.580 65,531.3/4W22.76070,10 2.13/16 2.8.125 71,44754848482.15/162.9.37574,61233.000076,20 1.7/8 2 1.7/8 1.7/8 (1.7/8W) 76,70 80 52 52 52 3.1/8 3.1.250 79,38855656563.3/83.3.75085,72906060603.1/23.5.00088,9022.1/4 22.1/4 22.1/4 2W 2.1/42.1/2 3.1503.550 80,0190,17 95 64 64 64 3.3/4 3.7.500 95,251006868683.7/83.8.75098,42 2.1/2 2.1/2 2.1/2 2.3/4 3,890 98,81 105 72 72 72 4.1/8 4.1.250 104,781107676764.1/44.2.500107,951158080804.1/24.5.000114,302.3/4 3 2.3/4 2.3/4 3 4.1803.1/4 106,174.530 115,06 120125 85 85 85 4.5/8 4.6.250 117,464.7/84.8.750123,8255.0000127,00 3.1/4 3 33.1/4 3.1/2 4.850 123,19 130135 9095 9095 9095140 5.1/4 5.2.500 133,355.3/85.3.750136,525.5/85.6.250142,88 3.1/23.3/4 3.1/23.1/23.3/4 3.3/4 5.180 131,5745.550140,97 145 100 100 100 5.3/4 5.7.500 146,05 3.3/415010510510566.0000152,404 4 4.1/2 6.380 152,05 50 155 110 110 110 6.1/8 6.1.250 155,48 4 160 165 115120 115120 115120 170 180 125 185 130 200 140 210 150 www.precitool.de 50/931