ASTM A490 Heavy Hex Bolt High Strength Hex Bolt

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: HEX BOLTS
• Head Style: Hexagonal
• Standard: ANSI
• Grade: B7
• Transport Package: Pallets
• Specification: 1100*800
• Trademark: M
• Origin: Ningbo
• HS Code: 7318151001

Product Description

Before its withdrawal in 2016, the renowned ASTM A490 specification provided standards for quenched and tempered alloy steel, ensuring unparalleled strength and durability. These robust heavy hex structural bolts were designed with precision for enduring strength in complex structural applications. Ranging from 1/2″ to 1-1/2″ in diameter, these bolts boast a minimum tensile strength of 150 ksi, crafted specifically for structural connections. Their shorter thread lengths, compared to standard hex bolts, accentuate their suitability for such connections. For exact thread lengths and related dimensions, don't hesitate to visit our Structural Bolts page. A490 bolts, while similar in application and dimensions to the A325 heavy hex structural bolts, stand out by being made from high-strength alloy steel, rather than the typical medium carbon steel. However, it's important to note that the A490 specification is exclusive to heavy hex structural bolts. For bolts that feature different thread lengths but maintain similar mechanical properties, refer to Specification A354 grade BD.Notably, ASTM A490 bolts must avoid coatings like hot-dip galvanizing, mechanical deposition, or zinc electroplating due to potential hydrogen embrittlement risks. Instead, ASTM endorses the Zinc/Aluminum Corrosion Protective Coatings as per ASTM F1136 Grade 3, known commercially as Geomet. Furthermore, the A490 specification mandates additional testing via Magnetic Particle Inspection to identify any longitudinal discontinuities or transverse cracks.
Ningbo Beilun Milfast Metalworks Co., Ltd. shines as a premier fasteners company in Ningbo, with a specialization in Threaded Rods, Studs, Bolts, Nuts, Washers, and expertly crafted Stamping metal parts. Our unwavering commitment to product quality and exceptional service has earned us esteemed recognition and trust from our clientele.

Milfast Metalworks proudly offers a comprehensive range of products with diverse specifications and types:
THREADED RODS, STUD BOLTS, HEAVY HEX BOLTS, STRUCTURAL BOLTS, HEX BOLTS, FLANGE BOLTS, TRACK BOLTS, CARRIAGE BOLTS, HEAVY HEX NUTS, STRUCTURAL NUTS, HEX NUTS, FLANGE NUTS, CASTLE NUTS, SQUARE NUTS, FLAT WASHERS, SPRING WASHERS, SPECIAL FASTENERS, AND OTHER METICULOUSLY DESIGNED METAL PARTS.
Ningbo Beilun Milfast Metalworks Co., Ltd. excels in the production of top-notch fasteners, including standard threaded rods, bolts, nuts, stud bolts, and washers, adhering to the following specifications:
ASTM A325/A325M/A490/A490M Type 1 Structural Bolts, A193/A193M Gr.B7/B7M Heavy Hex Bolts, ASTM A307 Hex Bolt, DIN912 Socket Head Cap Screws, DIN6914 Structural Bolts, EN14399-3/EN14399-4 Heavy Hex Bolts, DIN931/933 Hex Bolts, DIN960/961 Hex Bolts, ISO4014/4017 Hex Bolts, DIN6921 Flange Bolts.
ASTM A194/A194M Gr. 2H/2HM, 7/7M Heavy Hex Nuts, A563/A563M Gr. C/DH/10S Heavy Hex Nuts, DIN6915 Structural Nuts, EN14399-3/EN14399-4 Heavy Hex Nuts, DIN934 Hex Nuts, ISO4032 Hex Nuts, DIN6923 Flange Nuts.
ASTM A193/A193M Gr. B7/B7M, B16, B8/B8M, ASTM A320 Gr.L7/L7M Threaded Rod/Stud Bolts, DIN975 Threaded Rods.
ASTM F436 Hardened Flat Washer, SAE/USS Flat Washer, ISO7089 Round Flat Washer, DIN125 Flat Washers, DIN6916 Structural Washer, EN14399-5/EN14399-6 Flat Washer, DIN127 Spring Washer, F959. DTI Washer.
At Ningbo Beilun Milfast Metalworks Co., Ltd, we adhere to the highest standards with meticulous precision. Every stage of production is strictly monitored, from the selection of premium raw materials to the final assembly process. This rigorous management ensures that only products of superior quality reach our customers, resulting in high levels of satisfaction and loyalty.

Milfast Metalworks proudly presents its signature product line: The robust and durable ASTM A193-B7, The versatile and reliable Threaded Rods, complemented by the sturdy A194 Gr. 2H, Our Heavy Hex Nuts, ASTM A325 Structural Bolts, and ASTM F436M Hardened Flat Washers have achieved a global presence, securing their place in markets across America, Europe, the Middle East, Africa, and beyond.