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The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters (millimeters is abbreviated "mm"). for nuts, size will appear as diameter and pitch. there is an exception though—if pitch isn't specified, the fastener is coarse threaded. consider this size… m8-1.0 x 20. here's what the description means…

Related topics . fastenersbolts, nuts and threaded rodstorque, tension and loads; related documents . asme/ansi b16.5flanges and bolt dimensions class 150 to 2500diameters and bolt circles for standard asme b16.5 flanges1/4 to 24 inchesclass 150 to 2500 ; bolt stretching and tensile stresstensile stress and hooke's law; bolt torque calculatorcalculate required bolt torque

Din 571 equivalent. din 571; pn 82501; uni 704; csn 21810; din 571 alias. french (fr): din 571 vis à bois à tête hexagonale; german (de): din 571 sechskant-holzschrauben (schlüsselschrauben)

Acme threaded rod. technical data. mild 1215 plain steel. note: threaded rod does not qualify for $7.95 flat fee shipping or free shipping. we will quote discounted shipping cost for your approval before order is processed. 10' & 12' threaded rods must be shipped by motor freight, f.o.b milford, ct 06460. acme threaded rod2 foot.

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