Nuts Wrench Openings For Square

DIMENSIONAL BOLTING CATALOG - Sigma Fasteners, Inc.

Wrench Openings for Square and Hex Bolts and Screws 3-2 to 3-3 Heavy Hex Bolts 3-4 Heavy Hex Structural Bolts 3-5 High-Strength Structural Bolting 3-6 Carriage Bolts and Lag Bolts 3-7 Square Bolts 3-8 Step Bolts and Countersunk Head Elevator Bolts 3-9 Nuts Finished and Heavy Hex Nuts 4-1 Hexagon Machine Screw Nuts 4-2

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