1/2" & 3/8" Stainless Steel/Alloy Steel/Galvanized Lag Bolt with BSW Standard
Factory-direct 1/2" and 3/8" lag bolts available in stainless steel, alloy steel, and galvanized finishes for industrial applications.
Product Overview
Our 1/2" and 3/8" Lag Bolts are engineered for high-strength, corrosion-resistant fastening in demanding environments. Available in stainless steel (304/316), alloy steel (Grade 5/8), and hot-dip galvanized finishes, these lag screws provide exceptional grip and durability for wood-to-metal or wood-to-wood connections. Ideal for construction, marine, fencing, and utility projects, they combine factory-direct pricing with industrial-grade performance.
Key Features
- Material Options:
- Stainless Steel 304/316: Corrosion-resistant for marine, coastal, or chemical environments
- Alloy Steel (Grade 5/8): Zinc-plated or hot-dip galvanized (HDG) for high tensile strength (up to 150 ksi)
- Galvanized Finish: Sacrificial zinc coating protects against rust in outdoor or humid conditions
- Heavy-Duty Design:
- Hex Head: Compatible with standard wrenches (1/2" = 3/4" wrench, 3/8" = 9/16" wrench)
- Sharp Point & Coarse Threads: Self-tapping design for easy penetration into wood or composite materials
- Factory Pricing:
- Bulk Discounts: Competitive rates for contractors, OEMs, and distributors (MOQ: 1,000 units)
- Custom Sizes: 1/2" (12.7mm) and 3/8" (9.5mm) diameters; lengths from 1" to 12" (customizable)
- Certified Quality: ASTM A153 (Galvanized), ASTM F593 (Stainless Steel), SAE J429 (Grade 5/8) compliant
Specifications
| Available Material |
1. Stainless Steel: SS303, SS304, SS316, SS410, SS420
2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
3. Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70
4. Aluminum: Al6061, Al6063 etc or as your requirements
|
| Head Type |
CSK Head, Pan Head, Truss Head, Hexagon Head, Round Head, Oval Head, Button Head, Cap Head, Cheese Head, etc. |
| Hardness |
Carbon Steel: HRC:28~35, HV450~700
Alloy Steel: HRC:32~39(grade10.9) HRC:39~44(grade12.9)
|
| Finish |
Zinc plated, Nickel plated, Bronze, Copper, Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization, Zinc-nickel alloy plated etc. |
| Sample Available |
The sample is free of charge if we have the existing tooling, you only need to pay for the freight cost |
| Delivery Time |
Samples time 3-5 working days, Lead time 20-25 working days |
| Pricing Term |
EXW Dongguan(FCA), FOB, CIF, CNF, DDU, etc. |
| Packing |
Bulk in PE bag or Small boxes, then in carton, pallet |
| Payment Term |
TT (30% in advance as deposit, balance before delivery), L/C, Western Union, PayPal etc |
| Management System |
ISO9001:2015 |
| Certificate |
ISO, ROHS |
Why Choose Us?
- OEM/ODM Support: Full custom packaging, branding, and documentation
- Quality Assurance: ISO 9001-certified with full material traceability and testing (salt-spray, torque, tensile)
- Flexible MOQs: Prototype batches to large-scale production
- Fast Turnaround: 10-15 days for standard orders; expedited options available
Frequently Asked Questions
Q1: What is your main products and material supply?
A1: Our main products are Electronic screws, Sems screws, Tapping screws, Chicago screws, Shoulder screws etc. Special Non-standard studs, Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy, Stainless Steel, Brass, Copper, Titanium alloy or according to your requirement.
Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours. Any urgent cases, please contact us directly by phone or send email to us.
Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg, Normally we use shipment to transport the orders. It is about 20-30 days. If the weight of goods less than 80kg, or there are urgent, we can send the goods via air express, It is 3~5 days.
Q4: What's your packing? What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.
Q6: Do you have enough capacity?
A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.
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