M18 is a metric thread with an 18 mm nominal diameter and a coarse pitch of 2.5 mm (ISO 261). A standard hex head takes a 27 mm spanner across the flats.
In stock now: 407 lines; covering Bolts (126), Hex Bolts (108), Screws (91), DIN933 (84), Socket Head Screws (78); priced from $0.0074 per piece. Every line is sold by the piece — one piece is a valid order.
Related values on the same axis
1/2 1/4 2# 10# 3/16 3/8 4# 5/16 5/8 6#
Product families covered
Bolts 126 Hex Bolts 108 Screws 91 DIN933 84 Socket Head Screws 78 Nuts 74 DIN912 67 Stud Bolts & Thread Rods 49 Threaded Rods 49 Hex Nuts 31 Washers & Retaining Rings 29 DIN976 25
Frequently asked
| Product | Diameter × Length | Material | Stock | Unit price | ||
|---|---|---|---|---|---|---|
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GB 6170 Hex Nut M18 35K Carbon Steel
Colour Zinc Plated |
M18 | 35K Carbon Steel | In stock | Log in to see prices | Log in to order |
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Expansion Bolt M18x200 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 200 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |
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Expansion Bolt M18x150 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 150 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |
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Hammer Set Anchor M18x250 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 250 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |
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Hammer Set Anchor M18x200 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 200 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |
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Hammer Set Anchor M18x180 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 180 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |
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Hammer Set Anchor M18x150 Q235 Carbon Steel
Colour Zinc Plated |
M18 × 150 | Q235 Carbon Steel | In stock | Log in to see prices | Log in to order |


