Company Introduction

NINGBO STEEL BOLT CO.,LTD is a professional fasteners factory from Ningbo,
China and specilize in produce Bolts and Nuts. Our factory have many years
experiences of produce Nuts and Bolts.

Bolts: Hex Bolts, Heavy Hex Bolts, Structural Bolts, Carriage Bolts, Hex Flange Bolts, Hex Head Bolts, Square head bolts, Round Head Bolts, Wedge Anchor Bolts, Track Bolts, T-head Bolts, Pan Bolts, Bent bolt, Elevator bolts, Wing bolts, Wheel Bolts, Allen Bolts, Eye Bolts, J Anchor bolts, L Anchor bolts, U bolts

Nuts: Hex Nuts, Heavy Hex Nuts, Structural Nuts, Flange Nuts, Slotted Nuts, Stainless Steel Nuts, Square Nuts, Spring Nuts, Jam Nuts, Nylon Insert Nuts, Cap Nuts, Furniture Nuts, Coupling Nuts, Spring Nuts, Wheel Nuts, Cage Nuts, Rivet Nuts, Castle Nuts, Wing Nuts, Press Nuts, Weld Nuts

Screws: Hex Cap Screws, Socket Head Cap Screws, Flange 12-point Screws, Wood Screws, Press Screws, Machine Screws, Drilling Screws, Tapping Screws

Studs: All Threaded Studs, Double End Studs, Tap End Studs, Shear Welding Studs

Threaded rods: Carbon Steel Threaded Rod, Alloy Steel Threaded Rod, Stainless Steel Threaded Rod, Galvanized Threaded Rod

Washers: Flat Washers, Lock Washers, Spring Washers, Copper Washers, Fender Washers, Stainless Steel Washers, SAE Washers, Square washers, Self-Lock Washers

The Ningbo Steel Bolt Co., Ltd specializes in producing Nuts and Bolts for many years, so our technology is at the High-class level in this industry and our products have fine workmanship. The Ningbo Bolt major products as follows,
BOLTS :
ASTM A325/A325M TYPE 1 HEAVY HEX STRUCTURAL BOLTS
ASTM A490/A490M TYPE 1 HEAVY HEX STRUCTURAL BOLTS
ASTM A193 GRADE B7/B7M HEAVY HEX BOLTS
SAE J429 GRADE 2/5/8/9 HEX BOLTS/HEX CAP SCREWS
DIN 6914 CLASS 8.8/10.9/12.9 STRUCTURAL BOLTS
DIN 6914 CLASS 8.8/10.9/12.9 STRUCTURAL BOLTS
DIN 931 933 CLASS 4.8/6.8/8.8/10.9/12.9 HEX BOLTS
DIN 912 CLASS 8.8/10.9/12.9 HEXAGON SOCKET HEAD CAP SCREWS
DIN 7991 CLASS 8.8/10.9/12.9 HEX SOCKET COUNTERSUNK HEAD CAP SCREWS