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Fastener Products
LDScrew Fastener supplies screws, bolts, nuts, threaded rods, anchor bolts, stud bolts and custom fastening solutions for construction, machinery and industrial applications.
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Bolts
High-strength bolts and bolt assemblies for machinery, steel structure and industrial fastening.
Hex Bolts / 六角螺栓
Hex bolts with nuts and washers, suitable for machinery, construction and steel structure fastening.
Carbon Steel
Zinc Plated
Custom Size
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Hex Bolt Assemblies / 螺栓螺母组件
Complete bolt, nut and washer sets for installation, repair, construction and industrial projects.
Bolt + Nut
Washer
OEM
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Screws
Machine screws, drywall screws and self-drilling screws for different industrial applications.
Machine Screws / 机螺丝
Precision machine screws with different head types, sizes, materials and surface finishes.
Machine Screw
Custom Head
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Drywall Screws / 干墙螺丝
Black drywall screws with sharp point and strong thread, suitable for drywall, wood and construction use.
Black Phosphate
Sharp Point
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Anchor Bolts
Anchor bolts for concrete fixing, foundation installation and steel structure projects.
Expansion Anchor Bolts / 膨胀螺栓
Expansion anchor bolts for concrete fixing, wall installation, equipment mounting and construction projects.
Concrete Fixing
Multiple Sizes
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L Type Anchor Bolts / L型地脚螺栓
L type anchor bolts with nuts and washers for concrete foundation and steel structure installation.
L Type
Foundation
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Threaded Rods & Stud Bolts
Threaded rods and double-end stud bolts for machinery, construction and industrial equipment.
Threaded Rods / 全牙螺杆
Full threaded rods with stable thread quality, suitable for construction, machinery and industrial use.
Full Thread
Custom Length
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Stainless Steel Stud Bolts / 不锈钢双头螺栓
Precision double-end stud bolts with bright stainless finish for machinery and equipment connection.
Stainless Steel
Double End
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Nuts
Hex nuts and customized nuts in different sizes, materials, grades and finishes.
Hex Nuts / 六角螺母
Hex nuts in carbon steel, stainless steel and alloy steel, suitable for bolts, rods and industrial fasteners.
Hex Nut
DIN / ISO
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Black Hex Nuts / 黑色六角螺母
Black hex nuts for high-strength bolt assemblies, machinery, steel structure and industrial fastening.
Black Finish
High Strength
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