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Half Thread Bolts For Heavy Duty Structural & Mechanical Fastening

Designed for general high-strength fastening in steel structures, machinery, vehicles, building supports, and flange connections. Used together with nuts for convenient assembly and disassembly, widely applied in industrial, construction, infrastructure, and export projects. Made of stainless steel with galvanized surface treatment for enhanced rust and corrosion resistance.

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Model:
Half Thread Bolts
Brand:
JIAYUAN

Round Bolts

d	p	ds		k		s		b
(Thread Size)	(Pitch)	(Shank Diameter) - Max.	(Shank Diameter) - Min.	(Head Thickness) - Max.	(Head Thickness) - Min.	(Width Across Flats) - Max.	(Width Across Flats) -Min.	(Thread Length) - L<125mm	(Thread Length) - 125mm<L<200mm	(Thread Length) - L>125mm
M6	1	6	5.28	4.15	3.85	10	9.78	18	24	/
M7	1	7	6.78	4.95	4.65	11	10.7	20	26	/
M8	1.25	8	7.78	5.45	5.15	13	12.7	22	28	/
M10	1.5	10	9.78	6.58	6.22	17	16.7	26	32	45
M12	1.75	12	11.7	7.68	7.32	19	18.7	30	36	49
M14	2	14	13.7	8.98	8.62	22	21.7	34	40	53
M16	2	16	15.7	10.2	9.82	24	23.7	38	44	57
M18	2.5	18	17.7	11.7	11.3	27	26.7	42	48	61
M20	2.5	20	19.7	12.7	12.3	30	29.7	46	52	65
M22	2.5	22	21.7	14.2	13.8	32	31.6	50	56	69
M24	3	24	23.7	/	/	36	35.4	54	60	73
M27	3	27	/	/	/	41	/	60	66	79
M30	3.5	30	/	/	/	46	/	66	72	85
M33	3.5	33	/	/	/	50	/	72	78	91
M36	4	36	/	/	/	55	/	78	84	97
M39	4	39	/	/	/	60	/	84	90	103
M42	4.5	42	/	/	/	65	/	90	96	109
M45	4.5	45	/	/	/	70	/	96	102	115
M48	5	48	/	/	/	75	/	102	108	121

Product Advantages

High & Stable Strength for Export-Grade Use: Made of carbon or alloy steel with strong tensile and shear resistance, ensuring durability for heavy-duty and export-standard applications.	Standard Hex Head for Universal Fit: Standardized hex head design fits international wrenches, providing even force distribution and anti-slip performance for easy operation.
Precision Threads with Good Interchangeability: Standard rolled threads ensure smooth engagement, reliable fastening, and strong anti-loosening performance in compliance with international standards.	Rust-Resistant Finish & Stable Bulk Supply: Galvanized or black surface treatment offers excellent corrosion resistance for indoor, outdoor, and overseas environments; available in full sizes with stable factory-direct bulk supply for foreign trade orders.

Scenes Solution

Interior Decoration: Ideal for gypsum board partition walls, ceiling systems, and interior finishing projects.

Building Construction: Designed for fastening gypsum boards to light steel framing systems or wooden structures.

Furniture Manufacturing: Widely used for fixing plywood, particleboard, MDF, and other furniture panels.

Packaging & Wooden Crates: Suitable for assembling lightweight wooden boxes, pallets, and packaging crates.

Multi-Board Applications: Compatible with cement boards, calcium silicate boards, and other thin construction panels.

Package And Shipping

Standard Inner Box Packaging: Each Product Is Individually Packed In Standard Small Boxes With Clear Markings Of Model, Specifications, And Batch Number, For Easy Identification And Inventory Management.

Reinforced Outer Carton Protection: Multiple Inner Boxes Are Packed Into Export-Grade Corrugated Cartons With Internal Cushioning, Effectively Preventing Collision And Damage During Transit.

Palletized Fcl/Lcl Shipment: Cartons Are Palletized With Stretch Film And Strapping For Moisture And Dust Protection, Compatible With Forklift Handling, And Suitable For Both Fcl And Lcl Shipments.

Flexible Shipping & Delivery: Available For Sea, Land, And Multimodal Transport, With Loading Arrangements Aligned To Customers’ Schedules For Stable Delivery And Reduced Logistics Risks.

High Strength Half Thread Bolts Manufacturer Industrial Bolts Wholesaler Stainless Steel Bolts Manufacturer Iron Bolts Wholesaler Smooth Shank Bolts Manufacturer Construction Bolts Factory Industrial Assembly Bolts Wholesaler Bulk Bolts Supplier OEM Bolts Manufacturer Factory Export Bolts Wholesaler

Custom Fastener Solutions Tailored to Your Needs

Looking for customized fasteners or special packaging options?

At JIAYUAN, we provide full OEM and ODM services, including custom screw sizes, surface treatments, logo engraving, and packaging design.
Our engineering team can support your unique requirements—from prototype to mass production—to help your business stand out in the global market.

Customize Your Product