Zhenghao Dacro Metro Segment Bolts 5.8 Grade Tunnel Shield Connection Assembly, supports custom manufacturers

Zhenghao M30 Metro Segment Bolts, Tunnel Arc Shield Screws, Grade 8.8 Metro Segment Connection Assembly

PEEK external hex socket bolt, polyether ether ketone material, manufacturer, screw control

PEEK hex socket bolt, high-strength plastic, high-temperature resistant, acid- and alkali resistant insulating resin, threaded control

Wanjian Manufacturer supplies U-shaped bolts and pre-embedded right-angle square shaped parts for construction high-speed rail, with ample supply

External hex tri-combination screws, strong corrosion resistance, complete threads, complete specifications, screw control future

Forged bolts, U-shaped bolts for underground coal mines, available in specifications, direct shipment from the manufacturer

Hex tri-combination self-locking screws. Preferred material: sturdy and wear-resistant, corrosion-resistant, wear-resistant, threaded control

Metro 45# Dacro Shield Double-Ended Segment Bolts Tunnel M30 Curved Hexagonal Segment Screws Bend Bolts

High-strength hex socket bolts, cylindrical head screws, black 8.8 grade cup head screws M12

Anchor bolt Q345 is easy to disassemble, carefully selected raw materials, structurally stable, and threaded

PEEK external hex socket bolt, polyether ether ketone material, manufacturer, screw control

Shanghai Luokong Future Hardware Co., Ltd.

Anchor bolt Q345 is easy to disassemble, carefully selected raw materials, structurally stable, and threaded

Shanghai Luokong Future Hardware Co., Ltd.

Flat-head four-point belt bolts, shovel bucket screw conveyor special three-piece set for hoists, oxidized blackening

Hebei Xinfan Metal Products Co., Ltd.

Welded embedded anchor bolts, multiple anti-corrosion treatments, high strength and strong tensile strength, smooth and uniform threads. Xinkaili

Foshan Xinkaili Trading Co., Ltd

Metro bolt manufacturer arc-shaped segment 8.8 grade Dacro high-speed rail embedded parts tunnel screw threads

Handan Ming'ao Fastener Manufacturing Co., Ltd.

Ming'ao double-head arc tunnel shield tunnel connector 8.8 grade Dacro metro segment bolts

Handan Ming'ao Fastener Manufacturing Co., Ltd.

C3-80 high-temperature resistant bolt, kiln machinery special, continuous use at 650°C, creep-resistant, resistant to oxide scale peeling

Bers Sdorf Industrial Technology (Shanghai) Co., Ltd

M30 metro segment bolts customized in various materials, tunnel arc screws, grade 8.8 and 10.9 metro bolts

Handan Ming'ao Fastener Manufacturing Co., Ltd.

10.9s Blackened Large Hex Bolt High-Strength Connecting Accessory GB1228 for Hex Screws for Bridge Construction

Ming'ao double-head arc tunnel shield tunnel connector 8.8 grade Dacro metro segment bolts

Metro 45# Dacro Shield Double-Ended Segment Bolts Tunnel M30 Curved Hexagonal Segment Screws Bend Bolts

8.8 Grade High-Strength External Hex Nut Set Bolts, Bolts, Bolts, Nuts, Flat Springback Gasket Set M10/M12

12.9 Grade high-strength external hex bolts, custom extended hex shaped screws

Zhenghao M30 Metro Segment Bolts, Tunnel Arc Shield Screws, Grade 8.8 Metro Segment Connection Assembly

Metro bolt manufacturer arc-shaped segment 8.8 grade Dacro high-speed rail embedded parts tunnel screw threads

Zhenghao Q235 material m27 Dacro tunnel arc segment connector for wind power and hydraulic conservancy double-ended hex bolts