| Customization: | Available |
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| Material: | Carbon Steel |
| Type: | Round Head |
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| Round Head Square Neck Bolts | |
| Standard: | DIN, GB |
| Category: | ANSI/ASME B18.5, DIN603, GB12, GB14, GB801, US Round Head Square Neck Bolts, Small Half-round Head Square Neck Bolts or according to customer special demand |
| Diameter: | M4, M5, M6, M8, M10, M12, M14, M16, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11 |
| Grade: | Grade 4.8,8.8, A2-70, A4-70, F593C, Grade4-12, U.S. Grade 2,5,8 or according to customer special demand |
| Material: | 1.Carbon steel: C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K, etc. |
| 2.Stainless steel: SS301 SS302,SS303,SS304,SS316,SS410,SS416,SS420,SS430, etc. | |
| 3.Steel:C15,C35,C45(K1045)S45C,C46(K1046),C20, etc. | |
| 4.Copper:Brass(C3602,C3604,H59,H62,H65,H68,H70,H90,etc. Phosphor bronze,Silicon bronze,Red copper,Beryllium copper and Copper, etc. | |
| 5.Iron: 12L13,12L14,12L15, etc. | |
| 6.Aluminium:AL6061,AL6063,7075, etc. | |
| 7.Titanium or titanium alloy: TAD,TA1-TA8, TB2,TC1-TC10, etc. | |
| 8.Silver or silver alloy:AgCu3,agCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10, etc. | |
| 9.Alloy steel:SCM435,10B21,40Cr, etc. | |
| Thread: | M,UNC,UNF |
| Finish: | Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel. |
| Packing: | Bulk in cartons + wood Pallet or according to customer special demand. |
| Application: | Structural Steel; Metal Buliding; Mechanical Machine; Automobile; Home Decorating. |
| Certification: | ISO9001, SGS, CTI, ROHS |
| Trade Term: | FOB/CIF/CFR/EXW/CIP |
| Payment: | T/T, D/A , D/P ,West union,Paypal, etc. |
| Lead Time: | 3~15 days after order confirmed, it will based on the detailed order quantity. |
| Market: | Europe / South&north Amrica / East&South east Asia / Middle East / Australia and etc. |
| Warranty: | We confirm our goods will satisfy your request of 100%. |
| After Sales Service: | We will follow up the goods for every customer and help solve problem after sales. |
ASME B18.5
| Nominal Size or Basic Diameter | E | A | H | J | T | U | |||||||
| Body Diameter | Head Diameter | Head Height | Slot Width | Slot Depth | Fillet Radius | ||||||||
| Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | ||
| 1/4'' | 0.2500 | 0.2500 | 0.2450 | 0.4370 | 0.4180 | 0.1910 | 0.1750 | 0.0750 | 0.0640 | 0.1170 | 0.0970 | 0.0310 | 0.0160 |
| 5/16'' | 0.3125 | 0.3125 | 0.3070 | 0.5620 | 0.5400 | 0.2450 | 0.2260 | 0.0840 | 0.0720 | 0.1510 | 0.1260 | 0.0310 | 0.0160 |
| 3/8'' | 0.3750 | 0.3750 | 0.3690 | 0.6250 | 0.6030 | 0.2730 | 0.2520 | 0.0940 | 0.0810 | 0.1680 | 0.1380 | 0.0310 | 0.0160 |
| 7/16'' | 0.4375 | 0.4375 | 0.4310 | 0.7500 | 0.7250 | 0.3280 | 0.3020 | 0.0940 | 0.0810 | 0.2020 | 0.1670 | 0.0470 | 0.0160 |
| 1/2'' | 0.5000 | 0.5000 | 0.4930 | 0.8120 | 0.7860 | 0.3540 | 0.3270 | 0.1060 | 0.0910 | 0.2180 | 0.1780 | 0.0470 | 0.0160 |
| 9/16'' | 0.5625 | 0.5625 | 0.5550 | 0.9370 | 0.9090 | 0.4090 | 0.3780 | 0.1180 | 0.1020 | 0.2520 | 0.2070 | 0.0470 | 0.0160 |
| 5/8'' | 0.6250 | 0.6250 | 0.6170 | 1.0000 | 0.9700 | 0.4370 | 0.4050 | 0.1330 | 0.1160 | 0.2700 | 0.2200 | 0.0620 | 0.0310 |
| 3/4'' | 0.7500 | 0.7500 | 0.7420 | 1.2500 | 1.2150 | 0.5460 | 0.5070 | 0.1490 | 0.1310 | 0.3380 | 0.2780 | 0.0620 | 0.0310 |
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Established in 2004, Hangzhou Jiangxin Industry Co., Ltd is a national high-tech enterprise and a scientific and technological enterprise in Zhejiang Province. We are a professional fastener manufacturer that integrates production, research and development, and sales. With our world-class fastener production equipment and advanced ERP system for management, we ensure top-notch quality and efficiency.
Our company holds the ISO9001 international quality management system certification and operates distribution outlets and logistics distribution centers in East China. We specialize in producing and supplying a wide range of standard and non-standard high-strength bolts and advanced expansion bolts. Our materials include various carbon steel and stainless steel 304 and 316, making our products suitable for high-speed rail, automobiles, ships, machinery, molds, electronics, and construction industries.
Our products are known for their exceptional performance, fast installation, beautiful appearance, compatibility, and stability. These advantages have made them highly favored by both Chinese and foreign merchants.
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