socket depth. Maximum wrench engagement & strength. Permits high
torque wrenching without reaming or cracking socket.
Threads closet fit and increased fatigue. Metric IS 4218-1967 BS
KNURLED CUP POINT:
(Self-Locking) Holds tight despite vibration counter bore
knurled cup point has 10 times more Holding Power than ordinary
points. Also available dog point, cone point, flat point or any
special points as per drawing.
Treatment of High Grade Alloy
Steel for maximum strength without brittleness SHAKER HEARTH
FURNACE. Atmospherically controlled to avoid decarburization &