This standard covers requirements for thread rolling screws suitable for use in general engineering applications. (It is intended that "thread rolling" screws have performance capabilities beyond those normally expected of other standard types of tapping screws.) Note: The performance requiremen...

This standard specifies dimensions of, and technical delivery conditions for, steel and nonferrous metal tubular rivets made from seamless tube.

1.2.1 This standard recommends Table 1, No. 3 square neck, 80 deg round countersunk head and Table 2, No. 7 reverse key, 60 deg round countersunk head plow bolts for new designs. It includes No. 3 square neck, round countersunk repair head; Table 3, No. 4 countersunk, square repair head; Table 4,...

This Japanese Industrial Standard specifies the steel domed cap nuts (hereafter referred to as “steel nuts”) , the stainless steel domed cap nuts (hereafter referred to as “stainless steel nuts”) , and the brass domed cap nuts (hereafter referred to as “brass nuts”), all for general use.

This standard specifies hexagon nuts designed for use with bolts in assemblies that will be frequently disassembled and reassembled. They are provided with a spherical bearing face which, in conjunction with a 120° countersink or a conical seat as specified in DIN 6319, permit any displacements o...

This standard covers the recommended clearance hole sizes for #0 through 1.5 inch fasteners in three classes of clearance using a close-, normal-, and loose-fit category.