M8 316 SS A4-80 METAL BOLT Carriage Bolt Large Round Head, Mirror Polish
Price:
$0.01~2.56,Piece/Pieces
MOQ:
10pcs
Delivery Time:
about 12-18days
Brand:
JIASHAN
Product Description
M8 316 SS A4-80 METAL BOLT Carriage Bolt Large Round Head, Mirror Polish
Product Description
316L rod is hot-forged, then CNC-formed to keep the dome height within ±0.1 mm; final electropolishing drops Ra to 0.2 µm, eliminating micro-crevices where chlorides hide.
Applications
| Industry | Usage |
|---|---|
| Automotive | High-strength applications in engines, heavy-duty machinery, and bridge construction |
| Mechanical | Connecting mechanical parts, circuit boards, engines, transmissions in various industries |
| Energy | Connecting power generation equipment and transmission lines |
| Architectural |
Building structures, shipbuilding, and petrochemical equipment |
Mirror-finish bolts secure stainless benches on promenade decks facing Atlantic spray; the low-glare head keeps tourist selfies scratch-free.
Key Features
A4-80 gives 800 MPa strength plus pitting resistance equivalent to 904L; mirror polish reduces bio-film adhesion, lowering quayside cleaning bills 25 %.
Company Information




Frequently Asked Questions
Q: Are you trading company or manufacturer?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally 7-10 days if in stock, or 15-20 days if not in stock (depending on quantity).
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer free samples but customers pay the freight cost.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment or L/C.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hunan Jia Shan Hardware Tech Co., Ltd.
Location
1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
Contact Person
Tan
