






1/2-13 x 4 Hex Head Screw Bolt, Nuts, Flat & Lock Washers, 20Pcs 18-8 (304) Stainless Steel, Fully Threaded, Black Oxide by SG TZH
US$73.78
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Color:Black Number of Items:20 Unit Count:20 Count Part Number:Hex Bolt -Black-4in1 Size Name:1/2-13 x 4" Item Diameter:0.5 inches Number of Pieces:20 Screw Head Style:Hex ...
Delivery & Returns
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Color:Black
- Number of Items:20
- Unit Count:20 Count
- Part Number:Hex Bolt -Black-4in1
- Size Name:1/2-13 x 4"
- Item Diameter:0.5 inches
- Number of Pieces:20
- Screw Head Style:Hex
- Thread Size:1/2"-13
- Item Shape:Hexagonal
- Material Type:Stainless Steel
- Finish Types:Black Oxide
- Fastener Type:Bolt
About this item
- Rugged and Durable - SG TZH Hex bolt made of high-quality 18-8(304)Stainless Steel,which has higher corrosion resistance and anti-rust effect than ordinary bolt, longer service life, not easy to damage, more solid.
- Product Size - Thread Diameter: 1/2"; Thread Pitch: 1/13"; Screw Length: 4". Head Diameter: 0.736". Please check specfication by picture 2
- Bolt that meet ASME specifications comply - Hex bolt can be widely used in the home and office appliance, communication equipments, ship assembly , the mechanical industry and small repairs around shops, garages or home furniture fasteners.
- Value Packaging and Easy to Use - Package includes 20Pcs each of bolts, hex nuts , Flat & Lock washers
Shipping Policy
Iterzen ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Iterzen will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@iterzen.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Iterzen replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.









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