Ningbo Zhenrui Hardware Industrial Co., Ltd.

Precision Instrument Industry

Micro precision screws, locating pins, and more are used for assembling internal modules of optical and testing instruments. With high dimensional accuracy and controllable torque, they prevent component deformation and offset, maintaining the measurement and working precision of equipment.

Recommended Products

Hex Washer Head Self-Drilling Screw (ZR-1#)
Product Introduction Hex Washer Head Self-Drilling Screw (ZR-1#) is a factory-manufactured fastening...
Hex Washer Head Self-Drilling Screw (ZR-3#)
Product Introduction Hex Washer Head Self-Drilling Screw (ZR-3#) is a factory-manufactured metal fas...
Hex Washer Head Sharp Point Screws
Product Introduction Hex Washer Head Sharp Point Screws are carbon steel fasteners with a hex washer...
Hex Washer Head Long Drill Point Screws
Product Introduction Hex Washer Head Long Drill Point Screws are carbon steel self-drilling fastener...
Painted Hex Washer Head Screws
Product Introduction Painted Hex Washer Head Screws are carbon steel fastening screws with a hexagon...
Hex Flange Head Self-Drilling Screws
Product Introduction Hex Flange Head Self-Drilling Screws feature a double-thread high-low design an...
Hex Flange Head Sharp Point Self-Drilling Screws
Product Introduction Hex Flange Head Sharp Point Self-Drilling Screws are SAE C1022A steel fasteners...
Hex Flange Head High-Low Thread Self-Tapping Screws
Product Introduction Hex Flange Head High-Low Thread Self-Tapping Screws feature an indented, cupped...
Coarse Thread Drywall Screws
Product Introduction Coarse Thread Drywall Screws feature a Phillips bugle head and coarse-thread de...
Phillips Flat Head Self-Drilling Screws
Product Introduction Phillips Flat Head Self-Drilling Screws feature a flat head, Phillips drive, an...
Torx Flat Head Self-Drilling Screws
Product Introduction Torx Flat Head Self-Drilling Screws feature a countersunk flat head, Torx drive...
Phillips Pan Head Self-Drilling Screws
Product Introduction Phillips Pan Head Self-Drilling Screws are designed for efficient metal fasteni...