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The helmet’s design enables air to flow through its integrated vents
ANSI/ISEA Z87
ensuring the knife’s precision remains unaffected
drive internally threaded hardened shoes radially inward against the shaft threads
Sizes range from 1/16" to 1" in diameter with round shanks
Whittet Higgins NSH-04 Shoelok Tangential Locking Retaining Nut Clamp Meter The helmet’s design enables airThe Whittet Higgins Shoelok (NSH series, inch thread) is a mechanical self locking bearing retaining nut that threads onto a shaft or spindle to position, preload, and secure bearings and other power transmission components. It locks by means of tangential (X axis) socket cap screws that, when torqued in a bolt circle pattern, drive internally threaded hardened shoes radially inward against the shaft threads, producing uniform 360 degree clamping to
