Hunan Jia Shan Hardware Tech Co., Ltd.
admin@jshardwaretech.com
86-0731 -82919092
제품 세부 사항
원래 장소: 중국
인증: ISO 9001
결제 및 배송 조건
최소 주문 수량: 10개
가격: $0.01~2.56,Piece/Pieces
포장 세부 사항: Belt&Plastic 필름을%s 가진 비닐 봉투 + 마분지 판지 + 합판 깔판 깔판.
배달 시간: 약 12-18일
지불 조건: L/C,D/A,D/P,T/T
공급 능력: 10000, 조각/조각, 월
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제품명:
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육각 소켓 머리 금속 나사
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서비스:
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OEM
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부식 저항:
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예
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포트:
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심천, 광저우
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내식성:
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높은
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스레드 유형:
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표준 / 특화
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패키지:
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Belt&Plastic 필름을%s 가진 비닐 봉투 + 마분지 판지 + 합판 깔판 깔판.
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마치다:
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맞춤형
|
|
제품명:
|
육각 소켓 머리 금속 나사
|
|
서비스:
|
OEM
|
|
부식 저항:
|
예
|
|
포트:
|
심천, 광저우
|
|
내식성:
|
높은
|
|
스레드 유형:
|
표준 / 특화
|
|
패키지:
|
Belt&Plastic 필름을%s 가진 비닐 봉투 + 마분지 판지 + 합판 깔판 깔판.
|
|
마치다:
|
맞춤형
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M18 M22 Hdg Hot Dig Galvanized Dacromet Geomet Hex Socket Head Machine Metal Screw Din912 Grade 4.8 8.8 10.9 12.9
These large-diameter hex socket head cap screws are available in M18 and M22, designed for heavy-duty and highly corrosive environments. Material: carbon or alloy steel with property classes 4.8, 8.8, 10.9, or 12.9. Surface finishes include three high-performance options: Hot Dip Galvanized (HDG), Dacromet, and Geomet. HDG provides a thick zinc layer (40-70μm) for outdoor steel structures; Dacromet and Geomet are chromium-free zinc-aluminium coatings offering excellent salt spray resistance (up to 1000 hours) with no hydrogen embrittlement risk. Head conforms to DIN912, allowing high torque via large hex keys.
| 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 |
Wind turbine tower flange connections – Grade 12.9 + Dacromet for cyclic loads.
Bridge seismic stoppers – HDG provides 30+ years rust protection.
Chemical reactor manways – Geomet coating resists acid mist.
Mining machinery chassis – M22 high-strength bolts.
Port crane rail clips – HDG resists seawater.
Large diameters, high load capacity – M18/M22 for heavy connections.
Multiple strength grades – from 4.8 to 12.9 for design flexibility.
Premium anti-corrosion coatings – HDG, Dacromet, Geomet for various aggressivity levels.
No hydrogen embrittlement – Dacromet/Geomet safe for high-strength bolts.
DIN912 standard – hex drive allows very high torque transmission.
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