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Flex-Loc Products

Shop Flex-Loc products at National Supply Network, a trusted industrial supply distributor serving warehouses, contractors, facility maintenance teams, manufacturers, schools, and government buyers across the United States.

Flex-Loc specializes in Fasteners for commercial, industrial, warehouse, and maintenance applications. Browse our selection with competitive pricing, quote support, and nationwide shipping.

✓ Competitive pricing

✓ Bulk and freight quote support

✓ Nationwide shipping

✓ Trusted industrial manufacturers

Why Buy Flex-Loc from National Supply Network?

National Supply Network provides reliable access to Flex-Loc Fasteners for warehouses, contractors, maintenance teams, and industrial facilities. Whether you are replenishing supplies, completing a project, or sourcing replacement products, we help streamline procurement with dependable sourcing and responsive support.

Our team works with businesses across the U.S. to provide fast quotes, competitive pricing, and efficient delivery on industrial supply orders of all sizes.

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Products 49-72 of 116

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Flex-Loc 21FK-1024 #10-24 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-1024 Hex Lock Nut: Flex Top, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517243-MS

Manufacturer Part ID: 21FK-1024

Flex-Loc 21FK-1032 #10-32 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-1032 Hex Lock Nut: Flex Top, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67516765-MS

Manufacturer Part ID: 21FK-1032

Flex-Loc 21FK-420 Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Cadmium-Plated Image

21FK-420 Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517284-MS

Manufacturer Part ID: 21FK-420

Flex-Loc 21FK-428 1/4-28 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-428 Hex Lock Nut: Flex Top, 1/4-28, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67516807-MS

Manufacturer Part ID: 21FK-428

Flex-Loc 21FK-518 5/16-18 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

21FK-518 Heavy Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543686-MS

Manufacturer Part ID: 21FK-518

Flex-Loc 21FK-524 5/16-24 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-524 Hex Lock Nut: Flex Top, 5/16-24, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67516849-MS

Manufacturer Part ID: 21FK-524

Flex-Loc 21FK-616 3/8-16 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

21FK-616 Heavy Hex Lock Nut: Expanding Flex Top, 3/8-16, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543728-MS

Manufacturer Part ID: 21FK-616

Flex-Loc 21FK-632 #6-32 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-632 Hex Lock Nut: Flex Top, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517326-MS

Manufacturer Part ID: 21FK-632

Flex-Loc 21FK-720 7/16-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-720 Hex Lock Nut: Flex Top, 7/16-20, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67516922-MS

Manufacturer Part ID: 21FK-720

Flex-Loc 21FK-813 1/2-13 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

21FK-813 Heavy Hex Lock Nut: Flex Top, 1/2-13, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543801-MS

Manufacturer Part ID: 21FK-813

Flex-Loc 21FK-820 1/2-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-820 Hex Lock Nut: Flex Top, 1/2-20, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67516963-MS

Manufacturer Part ID: 21FK-820

Flex-Loc 21FK-832 #8-32 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FK-832 Hex Lock Nut: Flex Top, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517367-MS

Manufacturer Part ID: 21FK-832

Flex-Loc 21FKC-420 1/4-20 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

21FKC-420 Heavy Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543843-MS

Manufacturer Part ID: 21FKC-420

Flex-Loc 21FKF-518 5/16-18 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FKF-518 Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517409-MS

Manufacturer Part ID: 21FKF-518

Flex-Loc 21FKF-616 3/8-16 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FKF-616 Hex Lock Nut: Expanding Flex Top, 3/8-16, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517441-MS

Manufacturer Part ID: 21FKF-616

Flex-Loc 21FKF-813 1/2-13 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image

21FKF-813 Hex Lock Nut: Expanding Flex Top, 1/2-13, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67517482-MS

Manufacturer Part ID: 21FKF-813

Flex-Loc 30FA-1011 5/8-11 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

30FA-1011 Heavy Hex Lock Nut: Flex Top, 5/8-11, Grade 2 Steel, Bright/Uncoated

Manufacturer: Flex-Loc

Item Number: 67515247-MS

Manufacturer Part ID: 30FA-1011

Flex-Loc 30FA-1210 3/4-10 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

30FA-1210 Heavy Hex Lock Nut: Expanding Flex Top, 3/4-10, Grade 2 Steel, Bright/Uncoated

Manufacturer: Flex-Loc

Item Number: 67515288-MS

Manufacturer Part ID: 30FA-1210

Price: $3,667.79

Flex-Loc 30FA-1409 7/8-9 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

30FA-1409 Heavy Hex Lock Nut: Expanding Flex Top, 7/8-9, Grade 2 Steel, Bright/Uncoated

Manufacturer: Flex-Loc

Item Number: 67515320-MS

Manufacturer Part ID: 30FA-1409

Price: $1,495.90

Flex-Loc 30FA-1608 1-8 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

30FA-1608 Heavy Hex Lock Nut: Expanding Flex Top, 1-8, Grade 2 Steel, Bright/Uncoated

Manufacturer: Flex-Loc

Item Number: 67515361-MS

Manufacturer Part ID: 30FA-1608

Price: $2,048.56

Flex-Loc 31FA-1011 5/8-11 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

31FA-1011 Heavy Hex Lock Nut: Expanding Flex Top, 5/8-11, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543520-MS

Manufacturer Part ID: 31FA-1011

Flex-Loc 31FA-1210 3/4-10 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

31FA-1210 Heavy Hex Lock Nut: Expanding Flex Top, 3/4-10, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543561-MS

Manufacturer Part ID: 31FA-1210

Flex-Loc 31FA-1409 7/8-9 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

31FA-1409 Heavy Hex Lock Nut: Flex Top, 7/8-9, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543603-MS

Manufacturer Part ID: 31FA-1409

Price: $1,582.23

Flex-Loc 31FA-1608 1-8 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image

31FA-1608 Heavy Hex Lock Nut: Flex Top, 1-8, Grade 2 Steel, Cadmium Finish

Manufacturer: Flex-Loc

Item Number: 67543645-MS

Manufacturer Part ID: 31FA-1608

Price: $2,336.63