Bolts and Screws

Stripper Bolt

We take a φ10 h7 size as an example. The actual diameter is 10.000 to 9.985 mm. When it fits with a linear bearing or bushing, the gap is very even. Tolerance is h6 or h7 level. That is ±0.005 mm to

Torch Slot Self-tapping Screws

We take an M5×20 trilobular screw into 2 mm thick SPCC steel as an example. The pre-drilled hole is φ4.5 mm. The driving torque is only 1.5-2.5 N·m. This is 20-30% lower than a regular trilobular

New Phillips Head Hex Bolt Combination Screws

At our Waigang Town factory in Jiading District, Shanghai, we have spent the last two decades perfecting the design and manufacturing of high-reliability fasteners. Our Phillips head hex bolt

Flat Head Machine Screws

When your assembly requires a smooth, flush surface with zero bolt head protrusion, our high-precision Flat head machine screws offer the ideal fastening solution. Featuring a 90-degree countersunk

Welding Screw Studs

For a permanent, high-strength fastener connection on thin sheet metal panels without drilling holes or leaving unsightly protruding bolt heads, our high-precision Welding screw studs are the perfect

Cross Recessed Hex Tapping Screws

Eliminate the need for costly pre-tapping operations in sheet metal, plastic, and wood assemblies with our high-performance Cross recessed hex tapping screws. Combining a versatile external hexagonal

Set Screw Fasteners

When locking pulleys, gears, collars, and shafts in place without a protruding bolt head, our high-precision Set screw fasteners are the optimal choice. Designed with an internal hex socket drive

Expansion Anchor Bolts

For secure, heavy-duty load anchoring in concrete, solid brick, and masonry structures, our Expansion anchor bolts provide the ultimate pull-out strength and mechanical security. Designed with a

External Hex Head Bolts

When it comes to heavy-duty structural fastening, industrial machinery, and robust outdoor installations, our External hex head bolts deliver unmatched clamping force and reliable shear resistance.

Internal Hex Socket Bolts

For structural joints requiring high tensile strength, compact head clearance, and a clean, flush appearance, our Internal hex socket bolts are the industry-preferred choice. Featuring a deep,

Torx Slot Assembly Screws

In modern assembly environments, cam-out and tool slippage represent major bottlenecks that compromise productivity and damage premium finished surfaces. Our Torx slot assembly screws are engineered

Square Washer Combination Fasteners

Designed specifically for high-stress electrical terminals, heavy machinery, and structural sheet metal, our Square washer combination fasteners provide a secure, non-slip joint that distributes