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Flex-Loc

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 1-24 of 116
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Flex-Loc 20FA-1024 #10-24 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FA-1024 Hex Lock Nut: Flex Top, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541482-MS
Manufacturer Part ID: 20FA-1024
Price: $197.96
Flex-Loc 20FA-420 1/4-20 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FA-420 Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541565-MS
Manufacturer Part ID: 20FA-420
Price: $167.43
Flex-Loc 20FA-518 5/16-18 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FA-518 Heavy Hex Lock Nut: Expanding Flex Top, 5/16-18, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515080-MS
Manufacturer Part ID: 20FA-518
Price: $121.54
Flex-Loc 20FA-616 3/8-16 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FA-616 Hex Lock Nut: Flex Top, 3/8-16, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515122-MS
Manufacturer Part ID: 20FA-616
Price: $209.95
Flex-Loc 20FA-813 1/2-13 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FA-813 Hex Lock Nut: Flex Top, 1/2-13, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515163-MS
Manufacturer Part ID: 20FA-813
Price: $300.79
Flex-Loc 20FAC-420 1/4-20 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FAC-420 Heavy Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515205-MS
Manufacturer Part ID: 20FAC-420
Price: $94.21
Flex-Loc 20FAF-518 5/16-18 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FAF-518 Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541722-MS
Manufacturer Part ID: 20FAF-518
Price: $130.35
Flex-Loc 20FAF-616 3/8-16 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FAF-616 Hex Lock Nut: Flex Top, 3/8-16, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541763-MS
Manufacturer Part ID: 20FAF-616
Price: $131.89
Flex-Loc 20FAF-714 7/16-14 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FAF-714 Hex Lock Nut: Expanding Flex Top, 7/16-14, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541805-MS
Manufacturer Part ID: 20FAF-714
Price: $580.18
Flex-Loc 20FAF-813 Hex Lock Nut: Expanding Flex Top, 1/2-13, Grade 2 Steel, Uncoated Image
20FAF-813 Hex Lock Nut: Expanding Flex Top, 1/2-13, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67541847-MS
Manufacturer Part ID: 20FAF-813
Price: $261.88
Flex-Loc 20FC-1032 #10-32 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FC-1032 Hex Lock Nut: Flex Top, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542043-MS
Manufacturer Part ID: 20FC-1032
Price: $87.51
Flex-Loc 20FC-428 1/4-28 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FC-428 Hex Lock Nut: Flex Top, 1/4-28, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542084-MS
Manufacturer Part ID: 20FC-428
Price: $88.15
Flex-Loc 20FC-524 5/16-24 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FC-524 Hex Lock Nut: Expanding Flex Top, 5/16-24, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542126-MS
Manufacturer Part ID: 20FC-524
Price: $104.39
Flex-Loc 20FC-624 3/8-24 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FC-624 Hex Lock Nut: Expanding Flex Top, 3/8-24, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542167-MS
Manufacturer Part ID: 20FC-624
Price: $143.15
Flex-Loc 20FC-820 1/2-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FC-820 Hex Lock Nut: Flex Top, 1/2-20, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542241-MS
Manufacturer Part ID: 20FC-820
Price: $290.26
Flex-Loc 20FK-1024 #10-24 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FK-1024 Hex Lock Nut: Flex Top, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542480-MS
Manufacturer Part ID: 20FK-1024
Price: $79.20
Flex-Loc 20FK-1032 #10-32 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FK-1032 Hex Lock Nut: Expanding Flex Top, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542886-MS
Manufacturer Part ID: 20FK-1032
Price: $122.56
Flex-Loc 20FK-420 1/4-20 UNC Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FK-420 Hex Lock Nut: Flex Top, 1/4-20, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542522-MS
Manufacturer Part ID: 20FK-420
Price: $82.95
Flex-Loc 20FK-428 1/4-28 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FK-428 Hex Lock Nut: Expanding Flex Top, 1/4-28, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542928-MS
Manufacturer Part ID: 20FK-428
Price: $78.63
Flex-Loc 20FK-518 5/16-18 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FK-518 Heavy Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515403-MS
Manufacturer Part ID: 20FK-518
Price: $432.90
Flex-Loc 20FK-524 Hex Lock Nut: Expanding Flex Top, 5/16-24, Grade 2 Steel, Uncoated Image
20FK-524 Hex Lock Nut: Expanding Flex Top, 5/16-24, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67542969-MS
Manufacturer Part ID: 20FK-524
Price: $82.64
Flex-Loc 20FK-616 3/8-16 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FK-616 Heavy Hex Lock Nut: Flex Top, 3/8-16, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515445-MS
Manufacturer Part ID: 20FK-616
Price: $127.08
Flex-Loc 20FK-624 3/8-24 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top Image
20FK-624 Hex Lock Nut: Expanding Flex Top, 3/8-24, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67543009-MS
Manufacturer Part ID: 20FK-624
Price: $105.34
Flex-Loc 20FK-714 7/16-14 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top Image
20FK-714 Heavy Hex Lock Nut: Expanding Flex Top, 7/16-14, Grade 2 Steel, Bright/Uncoated
Manufacturer: Flex-Loc
Item Number: 67515486-MS
Manufacturer Part ID: 20FK-714
Price: $225.23