Class 8 Plain Hex Nuts

Class 8 Plain Hex Nuts

Class 8 Hex Nuts

Use With: Class 8.8 Cap Screws

  • Available in Regular, Fine, and Very Fine Pitch
  • Options: Zinc plated and plain finish
  • Conforms to ISO and DIN standards

Regular & Fine Pitch Hex Nuts

Bolt Size Pitch Zinc Plated # Fine Pitch # Very Fine Pitch # Height (MM) Width Across Flats
M3 0.5 46-3503 2.4 5.5
M4 0.70 46-3504 3.2 7
M5 0.80 46-3505 4 8
M6 1.00 46-3506 5 10
M7 1.00 46-3507 5.5 11
M8 1.25 46-3508 46-3608 6.5 13
M10 1.25 46-3510 46-3610 46-3710 8 17
M12 1.75 46-3512 46-3612 46-3712 10 19
M14 2.00 46-3514 46-3614 11 22
M16 2.00 46-3516 46-3616 13 24
M18 2.50 46-3518 46-3618 15 27
M20 2.50 46-3520 46-3620 16 30
M24 3.00 46-3524 19 36

JIS Small Hex Nuts

Diameter Pitch Width Across Flats Part #
M8 1.25 12 MM 46-4008
M10 1.25 14 MM 46-4010
M10 1.50 14 MM 46-4011
M12 1.25 17 MM 46-4012

Note: JIS = Japanese Industrial Standard. Class 8. Heat treated. Zinc plated.

Shipping & Stocking Made Simple

At GNS Industrial Supply, we don’t just deliver products—we deliver peace of mind. Unlike traditional suppliers who ship and leave the rest to you, we take a hands-on approach to your inventory management. Our team visits your location, audits your existing stock, identifies what you need, and handles the reordering process for you. We then deliver directly to your facility and restock your supply room according to your preferred system—ensuring your operation runs smoothly without overstock or downtime. It’s a smarter, more personalized way to manage industrial supplies—built for teams who don’t have time to run out of what matters.