Add to favorites
![Kozelo 20 Pcs Hex Head Screws Bolts - [1/2"-13x4] 304 Stainless Steel Grade A2-70 Fully Threaded Hex Tap Hexagon Head Screw Machine Bolt Right Hand External Hex Drive, Black by Kozelo - Used condition](https://m.media-amazon.com/images/I/31QjoF4fx6L._SX600_.jpg)
Kozelo 20 Pcs Hex Head Screws Bolts - [1/2"-13x4] 304 Stainless Steel Grade A2-70 Fully Threaded Hex Tap Hexagon Head Screw Machine Bolt Right Hand External Hex Drive, Black
Brand: Kozelo
Condition: Used
$1835
$3604
-50% Save $1769
Updated: 6 hours 5 mins ago
Description
1- PACKAGE CONTENTS - 20 Pcs of Hex Head Bolts, Thread: Fully Threaded; Head Style: Hex Head; Thread Size: 1/2"-13; Thread Length: 4"; Material: 304 Stainless steel; Surface Treatment: Black Oxide; Hex Head Bolts Standard: ASME/ANSI B 18.2.1; Performance grade: A2-70
2- MATERIAL - 304 Stainless steel body, balancing strength. Precision-machined threads ensure secure engagement in structural and machinery applications, suitable for industrial equipment and engine compartments.
3- Work Environment - Cost-effective solution for interior construction, machinery assembly, and general-purpose repairs.
4- Applications - A Versatile Fastening Solution for Home, Automotive, and Industrial Use. Furniture Assembly: Beds, Cabinets, and Tables. Automotive Repair: Engine Mounts, Body Panels, and Exhaust Systems. Construction: Steel Frames, Guardrails, and Pipeline Installations. DIY Projects: Machinery, Equipment Fixing, and Metal Crafts.
5- TAKE NOTICE OF - Before purchase, confirm correct size needed. Use caliper，gauge checker for measurement; avoid ruler or tape measure.Tips: The magnetism in these screws results from cold working, which is inherent to 304 stainless steel. We intentionally keep magnetism treatments during manufacturing to preserve full strength. This slight magnetism does not affect corrosion resistance or performance.
HEX TAP BOLTS APPLICATION
Hex Head Screws: A Versatile Fastening Solution for Home, Automotive, and Industrial Use. Furniture Assembly: Beds, Cabinets, and Tables. Automotive Repair: Engine Mounts, Body Panels, and Exhaust Systems. Construction: Steel Frames, Guardrails, and Pipeline Installations. DIY Projects: Machinery, Equipment Fixing, and Metal Crafts.
ABOUT THIS HEX HEAD BOLTS
-304 Stainless steel body, balancing strength.
-Precision-machined threads ensure secure engagement in structural and machinery applications, suitable for industrial equipment and engine compartments.
-Cost-effective solution for interior construction, machinery assembly, and general-purpose repairs.
HEXAGON HEAD SCREW SPECIFICATION
Color: Black
Thread: Fully Threaded
Head Style: Hex Head
Thread Size: 1/2"-13
Thread Length: 4"
Material: 304 Stainless Steel
Surface Treatment: Black Oxide
Hex Head Bolts Standard: ASME/ANSI B 18.2.1
Performance grade: A2-70
Package: 20 Pcs of Hex Head Bolts
NOTE
-Before purchase, confirm correct size needed. Use caliper，gauge checker for measurement; avoid ruler or tape measure.
Hex Head Screws: A Versatile Fastening Solution for Home, Automotive, and Industrial Use. Furniture Assembly: Beds, Cabinets, and Tables. Automotive Repair: Engine Mounts, Body Panels, and Exhaust Systems. Construction: Steel Frames, Guardrails, and Pipeline Installations. DIY Projects: Machinery, Equipment Fixing, and Metal Crafts.
ABOUT THIS HEX HEAD BOLTS
-304 Stainless steel body, balancing strength.
-Precision-machined threads ensure secure engagement in structural and machinery applications, suitable for industrial equipment and engine compartments.
-Cost-effective solution for interior construction, machinery assembly, and general-purpose repairs.
HEXAGON HEAD SCREW SPECIFICATION
Color: Black
Thread: Fully Threaded
Head Style: Hex Head
Thread Size: 1/2"-13
Thread Length: 4"
Material: 304 Stainless Steel
Surface Treatment: Black Oxide
Hex Head Bolts Standard: ASME/ANSI B 18.2.1
Performance grade: A2-70
Package: 20 Pcs of Hex Head Bolts
NOTE
-Before purchase, confirm correct size needed. Use caliper，gauge checker for measurement; avoid ruler or tape measure.
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0fft6dsgz
- Model:
- klf250411zz000071jp
- Country:
- US
- ASIN:
- B0FFT6DSGZ
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $18 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Kozelo products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.