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Catalogue parts. Case-backed supply.

From standard hex bolts to drawing-based specials — every product family backed by documented applications since 2011.

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Caifu fastener product reference 62 on a white background

Aerospace Equipment

Forging Press Hardened Flat Washer — M24–M140

Non-standard · Surface hardness HV620–HV790 · M24–M140

Aerospace Equipment

Forging Press Round Nut — M24–M140

Non-standard · 8 or 10 · M24–M140

Aerospace Equipment

Forging Press Tension Nut — M24–M140

Non-standard · 8 or 10 · M24–M140

Caifu fastener product reference 61 on a white background

Aerospace Equipment

Forging Press Stud Bolt — M24–M90 × L

Non-standard · 8.8 or 10.9 · M24–M90 × L

Caifu fastener product reference 56 on a white background

High-Strength Fasteners

Marine Hexagon Nut — M16–M80

DIN 6515 or DIN 934 or non-standard · 10 or 12 · M16–M80

Caifu fastener product reference 54 on a white background

Large-Diameter Bolting

Marine Washer — M16–M140

DIN 6916 · HV300 Min · M16–M140

Caifu fastener product reference 55 on a white background

High-Strength Fasteners

Marine Stud Bolt — M16–M90

DIN 938 or DIN 939 · 10.9 · M16–M90

Caifu fastener product reference 53 on a white background

High-Strength Fasteners

Marine Socket Head Cap Bolt — M16–M80

DIN 912 or non-standard · 10.9 or 12.9 · M16–M80

Caifu fastener product reference 51 on a white background

High-Strength Fasteners

Marine Hex Bolt — M16–M80

DIN 6914 or non-standard · 10.9 or 12.9 · M16–M80

Caifu fastener product reference 50 on a white background

Large-Diameter Bolting

Long Stud — M90 × 8000

Drawing · 8 or 10 · M90 × 8000

Catalogue parts. Case-backed supply.

Forging Press Hardened Flat Washer — M24–M140

Forging Press Round Nut — M24–M140

Forging Press Tension Nut — M24–M140

Forging Press Stud Bolt — M24–M90 × L

Marine Hexagon Nut — M16–M80

Marine Washer — M16–M140

Marine Stud Bolt — M16–M90

Marine Socket Head Cap Bolt — M16–M80

Marine Hex Bolt — M16–M80

Long Stud — M90 × 8000

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