Tag Archives: high strength alternatives to A4 bolts

Q: I have difficulties getting A4-70 A4-80 and A4-100 screws in small sizes (M4, M5 and M6). Can you suggest suitable material alternatives? A: A4 (A4 (1.4401 / 1.4404) is an excellent material for high strength bolts. A4-70 and higher strength screws in small sizes (up to M8) are not … Continue reading

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