Search the catalog

Search the catalog

BrandsSlings & Rigging Hoists & Trolleys Cutting Tools & Metalworking Hand Tools Power Tools Safety & Security Fall Protection Material Handling MRO Supplies Construction Supply Fasteners & Hardware Abrasives

Related products

Slings & Rigging

Below-the-Hook Lifting Attachments
Hoists & Trolleys
Lifting & Rigging Hardware
Load Monitoring
Load Securement
Rope, Twine & Accessories
Slings

Fasteners & Hardware

Anchors
Bolts
Construction Hardware & Supplies
Fastener Assortment Kits
Hardware Supplies
Nails
Nuts

Material Handling

Conduit
Cranes & Festoon Equipment
Dollies & Movers
Drums
Hand Trucks
Hydraulics
Jacks & Accessories

Shop by Brand

CM
BBI
3M
CROSBY
CARTEC
ACCUFORM
CAMPBELL

© 2026 Max Supply

Shipping & Returns Privacy Terms

Offers1

$250 away from free shipping

Home
Fasteners & Hardware
Nuts
Coupling Nuts

MPN 857340

SKU FAS20112

BBI® 857340 Case Hardened Hex Head Serrated Flange Locknut, 1/2-13, Low Carbon Steel, Zinc CR+3

In stock$0.10$010

BBI® flange locknut, case hardened hex head serrated, measurement system: imperial, 1/2-13 thread, low carbon steel, zinc CR+3.

Specifications

Brands: BBI
Manufacturer: Brighton-Best International
Package Quantity: 1/Each
Manufacturer Part Number: 857340

Related products

BBI® 857340 Case Hardened Serrated Flange Locknut | Max Supply

Related products

BBI® Standard Lock Nut

BBI

BBI® Standard Lock Nut$0.10–$1.12^$0¹⁰–^$1¹²

BBI® 305168 NE Series Standard Lock Nut, 3/8-16, Low Carbon Steel, Zinc Clear Trivalent, 2 Material Grade, Right Hand Thread

BBI

BBI® 305168 NE Series Standard Lock Nut, 3/8-16, Low Carbon Steel, Zinc Clear Trivalent, 2 Material Grade, Right Hand Thread$0.08^$0⁰⁸

BBI® 330330 Hex Head Jam Nut, 2-4-1/2, Low Carbon Steel, CR+3 Zinc Plated

BBI

BBI® 330330 Hex Head Jam Nut, 2-4-1/2, Low Carbon Steel, CR+3 Zinc Plated$6.97^$6⁹⁷

BBI® 040250 Fully Threaded Self-Drilling Screw, 1/4-14, 2 in OAL, Indented Hex/Washer Head, Unslotted Drive, HSS, 410 Grade

BBI

BBI® 040250 Fully Threaded Self-Drilling Screw, 1/4-14, 2 in OAL, Indented Hex/Washer Head, Unslotted Drive, HSS, 410 Grade$0.53^$0⁵³

BBI® 011219 1960 Partially Threaded Round Socket Cap Screw, 5/16-18, 3 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011219 1960 Partially Threaded Round Socket Cap Screw, 5/16-18, 3 in OAL, Heat Treated Alloy Steel, 3A Grade$0.39^$0³⁹

BBI® 011161 1960 Partially Threaded Round Socket Cap Screw, 1/4-20, 2 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011161 1960 Partially Threaded Round Socket Cap Screw, 1/4-20, 2 in OAL, Heat Treated Alloy Steel, 3A Grade$0.17^$0¹⁷

BBI® 011271 1960 Partially Threaded Round Socket Cap Screw, 3/8-16, 3 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011271 1960 Partially Threaded Round Socket Cap Screw, 3/8-16, 3 in OAL, Heat Treated Alloy Steel, 3A Grade$0.57^$0⁵⁷

BBI® 011622 1960 Fully Threaded Round Socket Cap Screw, 1/2-13, 1 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011622 1960 Fully Threaded Round Socket Cap Screw, 1/2-13, 1 in OAL, Heat Treated Alloy Steel, 3A Grade$0.08^$0⁰⁸

BBI® 040135 Fully Threaded Self-Drilling Screw, #10-16, 3/4 in OAL, Indented Hex/Washer Head, Unslotted Drive, HSS, 410 Grade

BBI

BBI® 040135 Fully Threaded Self-Drilling Screw, #10-16, 3/4 in OAL, Indented Hex/Washer Head, Unslotted Drive, HSS, 410 Grade$0.05^$0⁰⁵

BBI® 013026 High Collar Split Lock Washer, 3/4 in Nominal, Medium Carbon Steel, Plain

BBI

BBI® 013026 High Collar Split Lock Washer, 3/4 in Nominal, Medium Carbon Steel, Plain$0.36^$0³⁶

BBI® 011263 1960 Partially Threaded Round Socket Cap Screw, 3/8-16, 2 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011263 1960 Partially Threaded Round Socket Cap Screw, 3/8-16, 2 in OAL, Heat Treated Alloy Steel, 3A Grade$0.39^$0³⁹

BBI® 011367 1960 Partially Threaded Round Socket Cap Screw, 1/2-13, 2-1/2 in OAL, Heat Treated Alloy Steel, 3A Grade

BBI

BBI® 011367 1960 Partially Threaded Round Socket Cap Screw, 1/2-13, 2-1/2 in OAL, Heat Treated Alloy Steel, 3A Grade$0.87^$0⁸⁷