Drill And Tap Standards

This International Standard specifies the characteristics of cross recessed pan head drilling screws with tapping screw threads from ST2,9 up to and including ST6,3.

This International Standard specifies the characteristics of cross recessed raised countersunk head drilling screws with tapping screw threads from ST2,9 up to and including ST6,3.

This International Standard specifies the characteristics of cross recessed countersunk head drilling screws with tapping screw threads from ST2,9 up to and including ST6,3.

This International Standard specifies the characteristics of hexagon washer head drilling screws with tapping screw threads from ST2,9 up to and including ST6,3.

This International Standard specifies the characteristics of hexagon washer head drilling screws with tapping screw threads from ST2,9 up to and including ST6,3.

These standards have been developed to obtain interchangeability of different makes of air cylinders on the spindles of machine tools without changing the adapter or draw rod. Three sizes of standard adapters cover the range of standard air cylinders from 3 inches to 18 inches inclusive. Adapter...

This standard specifies the required inspection for each level of inspection, procedures for the inspection, and testing of used drill stem elements. For the purposes of this standard, drill stem elements include drill pipe body, tool joints, rotary shouldered...

This standard was formulated to provide the minimum acceptable requirements for Drill String Non-return Valve (NRV) equipment. It covers Drill String Non-return Valves, Non-return Valve Subs, Non-return Valve landing nipples, Non-return Valve Equalizing Heads and all components...

The cloth is intended for use in clothing and equipage items.