Metal Fastening And Stamping Parts Manufacturer

CHINA FASTENER MANUFACTURER

Gmetal is a reliable manufacturer of standard and non-standard fasteners including bolts and nuts ,screws and threaded rods .
We serve customers from various industry such as construction, agricultural irrigation ,industrial, energy, oil & gas, automotive, marine etc.

Gmetal Bolts

HS Bolt,High Strength Bolt Bolt Factory

Metric Sizes: M12 to M64 Imperial size: 1/2″” to 1 1/2″
Surface: Hot dipped Galvanized , Electro-Galvanizing ,Dacromet Coating .Black Oxide ,Geomet ,Xylan
Grade : 8.8grade ,10.9grade,12.9grade

Explore

Gmetal Bolts

HV Bolts/En14399-4 Bolts/Din6914 Structural Bolts

HV Bolts EN 14399
Size:M12 to M36
Color:HOT DIPPED GALVANIZED ,Black Oxide ,Dacromet ,Geomet ,Zinc Plate

Explore

Gmetal Bolts

Hexagon Socket Head Cap Screws

Size:M12 to M64
Color:HDG, Zinc, Black, Xylan/Teflon/PTFE Coated
Type:High tensile strength bolts, heavy hex bolts

Explore

Gmetal Bolts

HR Bolt,Preloadbolts,Structural Bolts Bs EN14399

Sizes: M12 to M36 ;1/2″”to 1 1/2″”
Surface: Hot dipped Galvanized , Black Oxide ,Dacromet ,Geomet ,Zinc plate
Grade : 8.8 grade ,10.9grade

Explore

Gmetal Bolts

Custom Bolts | Special Bolts Manufacturer

Sizes: M4 to M72
Surface: Hot dipped Galvanized , Zinc plated ,Dacromet ,Geomet
Type: Custom bolts ,cusom nuts ,custom anchor bolt ,custom screws ,custom studs

Explore

Gmetal Bolts

High Strength Bolts 8.8 Grade

Standard: AS1252 ,DIN931, DIN933 ,ISO4014,ISO4017
Sizes: M12 to M64
Surface: Hot dipped Galvanized , Zinc plated ,Dacromet ,Geomet,

Explore

Gmetal Bolts

Heavy Hex Bolts/Structural Bolts A325/Structural Bolts Manufacturer

Standard: ASTM A193, A325, A490, A307, ASTM A325M
Sizes: M12 to M36, 1/2” to 2 1/2”
Surface: Black Hex Bolts, Hot dipped Galvanized Hex Bolts, Plain

Explore

Gmetal Bolts

High Strength Bolts Factory-Hex Head Bolts Manufacturer

Standard: DIN931, DIN933, ISO4017
Sizes: M3, M4, M6, M8, M10, M12 … to M64
Surface: Black Hex Bolts, Hot dipped Galvanized Hex Bolts, Zinc Plated Bolts, Decromet Coated Bolts,Geomet Bolts , Magni 565 Bolts

Explore

Gmetal Bolts

High-Strength Steel Fastener Assemblies For Structural Engineering – Bolts, Nuts And Washers

Sizes: M12 to M36
Surface: Hot dipped Galvanized , Electro-Galvanizing ,Dacromet Coating .
Grade: 8.8grade ,10.9grade

Explore

Bolts and Screw Manufacturer

Welcome to Hangzhou Gulian Metal Products Co.,ltd , a reliable high strength bolts and screws manufacturer in China with 17 years of expertise in fastener production and technology.Our mission is to help customers solve the difficulties they are currently facing in order to provide the best possible fasteners solutions.

Our Material grading is clear

Carbon steel bolts cover grades 4.8-12.9 (meeting general requirements for construction/industrial equipment);Stainless steel bolts include 304/316L/duplex steel and high-temperature alloy bolts (Inconel) can withstand operating conditions above 600°C.

“Zero deviation” in size and precision

We strictly control the consistency of processing accuracy, which is especially applicable to customers in the automotive and precision equipment industries.

Delivery “Fast and Stable”

We provide sufficient stock for standard products according to customer’s order cycle.
For non-standard bolts (such as those with special threads or shaped heads), the turnaround time from drawing confirmation to production and delivery is≤35 days.

The Markets We Serve

We deliver tailored, high-performance bolts and fasteners to support critical operations across multiple core industries, with solutions engineered to meet each sector’s unique demands.