Square Bolts

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Square Bolts Manufacturer and Supplier in Auckland, New Zealand.

Square Bolts Manufacturer and Supplier in Auckland, SS Square Bolts Exporter in Christchurch, Square Bolts Supplier in Christchurch, Square Bolts Manufacturer in Auckland, New Zealand

Discover our outstanding range of Square Bolts on our product pages, offering premium solutions customized to what you require. Our lineup features precision-engineered bolts built for a range of industrial applications, delivering durability and corrosion resistance. As a reliable supplier, we promise satisfaction through competitive pricing, adaptable options, and rapid delivery. Square Bolts in our range exceed industry benchmarks, boosting reliability and innovation for construction, infrastructure, and industrial projects. Count on our dedication to quality and professionalism for exceptional results.

Square Bolts Specifications

Square Bolts Size	Square Bolts M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes
Grade	18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Square Bolts
British standards	BS6105 (old: BSENISO 3506) which covers Part 1 bolts, screw and Us, part 2 nuts and part 4 tapping screws.
DIN Standard	B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
ISO – International Organization for Standardization	ISO 4032, ISO 4033, ISO 4017, ISO7380 JIS standards
Length	3 mm to 200 mm
Square Bolts, Us Threads:	METRIC, BSW, BSF, UNC, UNF or as required
Dimensions	ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.

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Square Head Bolt Dimensions

Of Bolts	(C)		(D)	(F)			(H)
	Width Corners Across \		Diameter Of Body	Width Flats Across			Height Table
	Maximum	Minimum	Maximum	Basic	Maximum	Minimum	Basic	Maximum	Minimum
¹⁄₂	1.0061	0.0995	0.0515	³⁄₄	0.0750	0.0725	²¹⁄₆₄	0.0348	0.0308
⁵⁄₈	1.0326	1.0244	0.0642	¹⁵⁄₁₆	0.0938	0.0906	²⁷⁄₆₄	0.0444	0.0400
³⁄₄	1.0591	1.0494	0.0768	1¹⁄₈	1.0125	1.0088	¹⁄₂	0.0524	0.0476
⁷⁄₈	1.0856	1.0742	0.0895	1⁵⁄₁₆	1.0312	1.0269	¹⁹⁄₃₂	0.0620	0.0568
1	2.0121	1.0991	1.0022	1¹⁄₂	1.0500	1.0450	²¹⁄₃₂	0.0684	0.0628
1¹⁄₈	2.0386	2.0239	1.0149	1¹¹⁄₁₆	1.0688	1.0631	³⁄₄	0.0780	0.0720
1¹⁄₄	2.0652	2.0489	1.0277	1⁷⁄₈	1.0875	1.0812	²⁷⁄₃₂	0.0876	0.0812
1³⁄₈	2.0917	2.0738	1.0404	2¹⁄₁₆	2.0062	1.0994	²⁹⁄₃₂	0.0940	0.0872
1¹⁄₂	3.0182	2.0986	1.0531	2¹⁄₄	2.0250	2.0175	1	1.0036	0.0964
1³⁄₄*				2⁹⁄₁₆			1³⁄₁₆
2*				2¹⁵⁄₁₆			1⁵⁄₁₆

Top Square Bolts Manufacturing Company in Auckland

At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we offer an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.

Reach out to us for a fast quote tailored to your needs.

We supply these Square Bolts in accordance with DIN, ISO, JIS or ANSI Standard.

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Advantages of Square Bolts

Resistance to Rotation: A key benefit of square bolts is that they resist turning once they are fastened. In contrast to hexagonal bolts, which can be rotated using a wrench, square bolts call for particular tools such as a square wrench or a socket fitted with a square drive, lowering the chance of unwanted tampering or loosening.
Safety and Security: Since square bolts are not as widespread and depend on specialized tools, they provide greater protection from theft and vandalism. This makes them well-suited to situations where stopping unauthorized access or tampering matters most, like public infrastructure, machinery, or high-security settings.
Torque Transmission: Square bolts feature a bigger contact surface area compared to hexagonal bolts. This enables improved torque transfer, which can be advantageous in uses that demand high torque, such as heavy machinery, automotive assembly, or construction.
Aesthetic Considerations: For some architectural or design purposes, square bolts might be favored because of their visual appeal. They give a more industrial or modern impression than ordinary hexagonal bolts, which are seen as more utilitarian.
Ease of Handling: Even though they need particular tools, square bolts are fairly simple to work with and fit once the right equipment is at hand. Because of their bigger surface area, they are less prone to stripping or rounding off than hexagonal bolts under comparable torque conditions.

Types of Square Bolts

Square Bolts Uses

Application Industry

Square Bolts have applications as varied as the sectors they cater to, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Aviation Industry

Petro Chemical Industry

Power Generation Industry

Do Square Bolts require corrosion protection coatings?

Yes, corrosion protection coatings are generally needed for square bolts. Their purpose is to guard against rust and degradation caused by exposure to moisture and other environmental conditions. Typical coating options are galvanization, zinc plating, and powder coating.

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