This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. (In order to emphasize that unified screw threads are based on inch modules, they may be denoted unified inch screw threads.) Several variations in thread form have been develo...

This standard establishes the requirements for hex flange and indented hex flange screws in sizes 1/4 inch thru 3/4 inches. Provisions include three styles of standard fillets.

DIN 6901 shall apply for the designation of tapping screws with captive washer components (tapping screw assemblies). DIN 4000 - 2 - 1 tabular layout of article characteristics shall apply for screws in accordance with this standard.

This Japanese Industrial Standard specifies steel-made T-slot bolts (hereafter, referred to as "bolts") to be used mating with T slots (JIS B 0952). The strength class 6T of mechanical properties specified in this Standard will be withdrawn on April 1, 1999.

This standard covers the general and dimensional data for standard metric series square head bolts.

This Standard specifies the characteristics of hexalobular socket head tapping screws with nominal thread size from ST2.9 to ST6.3. If specifications other than those listed in this Standard are required, they should be selected from existing JIS standards, for example, JIS B 1007, JIS B 1021 and...