The 1 3/8-6 Grade 2 finished hex nut is a six-sided threaded fastener designed for use with 1 3/8 inch coarse threaded bolts

and a trim head - designed to drive quickly and create a smooth finish

1/2 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit

as well as corridor ledgers

1/2-13 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (275)

M30-3.5 DIN 985 Nylon Insert Locknuts Zinc Plated - Metric 5/8 Hex Lag Screws Zinc Plated The 1 3/8-6 Grade 2This M30 3. 5 nylon insert locknut by is ideal for industrial applications requiring a high tensile nut. It features zinc plating for superior corrosion resistance. The nylon insert prevents vibration loosening and provides a secure and tight connection.