A head with no markings is grade 2, one with 3 lines spaced 120 degrees is grade 5, and 6 lines spaced at 60 degree intervals is grade 8. nuts are marked in several different ways—see identification marks for hex and heavy hex nuts below.
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Choose from our selection of metric allen bolts, including over 6,400 products in a wide range of styles and sizes. in stock and ready to ship. ... m5: m6: m7: m8: m10: m12: m14: m16: m18: m20: m22: m24: m27: m30: m33: m36: m42: m48: thread pitch. thread pitch; 0.2 mm: 0.25 mm: 0.3 mm: ... they are stronger than grade 8 steel screws and are ...
M5 x 0.80 6.1 4.6 8.8 6.7 10.3 7.7 m6 x 1.00 10.4 7.8 15 11.2 17.6 13.1 m7 x 1.00 17.6 13.1 25.1 18.9 29.4 22 m8 x 1.25 25.4 19.1 37.6 27.3 42.6 32.1 m10 x 1.50 50 38 72 54 84 64 m12 x 1.75 88 66 126 94 146 110 m14 x 2.00 141 106 201 150 235 176 m16 x 2.00 218 164 312 233 365 274
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