IS 844 : Part 1 : 1979 Specification for Screwdrivers - Part 1 : Technical Supply Conditions

UDC 624.883.7 : 006.87 PGD 34
Reaffirmed 2021

1 Scope

Covers technical supply conditions for hand-operatedscrewdrivers for slotted head and grub screws, requirements inrespect of material, hardness, workmanship and finish and methodsof test. Specifies the dimensions for three types of screwdriverpoints and also gives guidance in respect of the correctapplication of screwdrivers points for various sizes of screws.

2 References

IS 1365 : 1978Slotted countersunk head screws

IS 1366 : 1968Slotted cheese head screws

IS 2388 : 1971Slotted grub screws

IS 5308 : 1969Slotted countersunk head and slotted raised countersunkhead screws, small head series

IS 6736 : 1972Slotted raised countersunk head woodscrews

IS 6739 : 1972Slotted round head wood screws

IS 6760 : 1972Slotted countersunk head wood screws

IS 8911 : 1978Slotted raised countersunk head screws