Reversible Lock Nuts

Grade C (USS) Ultra-Lock Reversible Lock Nuts

Grade C (SAE) Ultra-Lock Reversible Lock Nuts

Grade C (USS) Ultra-Lock Reversible Lock Nuts

Produced from medium carbon steel and heat treated to meet Grade 8 performance standards. Developed for Automotive Fastener Engineering specifications. Features grade C prevailing torque design, reversible installation, and corrosion resistant yellow dichromate finish. Withstands severe shock and vibration loads, maintaining locking torque through up to 5 installations.

Diameter	Thickness	Thread Size	Thread Type	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	7/32"	1/4"-20	Coarse	50	348704	Log in to view price
1/4"-20 Grade C (USS) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348704 Package Weight: 0.4 lbs View Product Details Log in to Order
5/16"	17/64"	5/16"-18	Coarse	50	348705	Log in to view price
5/16"-18 Grade C (USS) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348705 Package Weight: 0.6 lbs View Product Details Log in to Order
3/8"	21/64"	3/8"-16	Coarse	50	348706	Log in to view price
3/8"-16 Grade C (USS) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348706 Package Weight: 0.8 lbs View Product Details Log in to Order
7/16"	3/8"	7/16"-14	Coarse	50	348707	Log in to view price
7/16"-14 Grade C (USS) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348707 Package Weight: 1.4 lbs View Product Details Log in to Order
1/2"	7/16"	1/2"-13	Coarse	50	348708	Log in to view price
1/2"-13 Grade C (USS) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348708 Package Weight: 1.9 lbs View Product Details Log in to Order
9/16"	31/64"	9/16"-12	Coarse	25	348709	Log in to view price
9/16"-12 Grade C (USS) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348709 Package Weight: 1.5 lbs View Product Details Log in to Order
5/8"	35/64"	5/8"-11	Coarse	25	348710	Log in to view price
5/8"-11 Grade C (USS) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348710 Package Weight: 1.8 lbs View Product Details Log in to Order
3/4"	41/64"	3/4"-10	Coarse	25	348712	Log in to view price
3/4"-10 Grade C (USS) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348712 Package Weight: 2.8 lbs View Product Details Log in to Order
7/8"	47/64"	7/8"-9	Coarse	10	348714	Log in to view price
7/8"-9 Grade C (USS) Ultra-Lock Reversible Lock Nut - 10 Pack Item Number: 348714 Package Weight: 1.8 lbs View Product Details Log in to Order
1"	55/64"	1"-8	Coarse	10	348716	Log in to view price
1"-8 Grade C (USS) Ultra-Lock Reversible Lock Nut - 10 Pack Item Number: 348716 Package Weight: 2.7 lbs View Product Details Log in to Order

Grade C (SAE) Ultra-Lock Reversible Lock Nuts

Diameter	Thickness	Thread Size	Thread Type	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	7/32"	1/4"-28	Fine	50	348804	Log in to view price
1/4"-28 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348804 Package Weight: 0.4 lbs View Product Details Log in to Order
5/16"	17/64"	5/16"-24	Fine	50	348805	Log in to view price
5/16"-24 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348805 Package Weight: 0.5 lbs View Product Details Log in to Order
3/8"	21/64"	3/8"-24	Fine	50	348806	Log in to view price
3/8"-24 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348806 Package Weight: 0.8 lbs View Product Details Log in to Order
7/16"	3/8"	7/16"-20	Fine	50	348807	Log in to view price
7/16"-20 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348807 Package Weight: 1.4 lbs View Product Details Log in to Order
1/2"	7/16"	1/2"-20	Fine	50	348808	Log in to view price
1/2"-20 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 50 Pack Item Number: 348808 Package Weight: 1.8 lbs View Product Details Log in to Order
9/16"	31/64"	9/16"-18	Fine	25	348809	Log in to view price
9/16"-18 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348809 Package Weight: 1.4 lbs View Product Details Log in to Order
5/8"	35/64"	5/8"-18	Fine	25	348810	Log in to view price
5/8"-18 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348810 Package Weight: 1.8 lbs View Product Details Log in to Order
3/4"	41/64"	3/4"-16	Fine	25	348812	Log in to view price
3/4"-16 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 25 Pack Item Number: 348812 Package Weight: 2.8 lbs View Product Details Log in to Order
7/8"	47/64"	7/8"-14	Fine	10	348814	Log in to view price
7/8"-14 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 10 Pack Item Number: 348814 Package Weight: 1.8 lbs View Product Details Log in to Order
1"	55/64"	1"-14	Fine	10	348816	Log in to view price
1"-14 Grade C (SAE) Ultra-Lock Reversible Lock Nut - 10 Pack Item Number: 348816 Package Weight: 2.5 lbs View Product Details Log in to Order