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Grade 5 Finished Hex Nuts

Grade 5 Finished Hex Nuts

Grade 5 Finished Hex Nuts

Grade 5 Finished Hex Nuts

  • Conforms to Grade 5 mechanical properties
  • Available in Zinc Finish or Plain Finish
  • Marked with approved Grade 5 identification:
    • Old Style: Dot and dash 120° apart
    • New Style: Two circumferential lines 120° apart

Variation: Zinc Finish (Coarse Thread – USS)

Size No. Qty Alt No. Width Across Flats Thickness
1/4-20 34-5004 100 34-50042 7/16 7/32
5/16-18 34-5005 100 34-50052 1/2 17/64
3/8-16 34-5006 100 34-50062 9/16 21/64
7/16-14 34-5007 25 34-50072 11/16 3/8
1/2-13 34-5008 50 34-50082 3/4 7/16
9/16-12 34-5009 25 34-50092 7/8 31/64
5/8-11 34-5010 25 34-50102 15/16 35/64
3/4-10 34-5012 25 34-50121 1-1/8 41/64
7/8-9 34-5014 10 34-50141 1-5/16 3/4
1-8 34-5016 10 34-50161 1-1/2 55/64
1-1/8-7 34-5018 5 34-50181 1-11/16 31/32
1-1/4-7 34-5020 5 34-50201 1-7/8 1-1/16
1-3/8-6 34-5022 5 34-50221 2-1/16 1-11/64
1-1/2-6 34-5024 5 34-50241 2-1/4 1-9/32

Variation: Zinc Finish (Fine Thread – SAE)

Size No. Qty Width Across Flats Thickness
1/4-28 34-5104 100 7/16 7/32
5/16-24 34-5105 100 1/2 17/64
3/8-24 34-5106 100 9/16 21/64
7/16-20 34-5107 25 11/16 3/8
1/2-20 34-5108 25 3/4 7/16
9/16-18 34-5109 25 7/8 31/64
5/8-18 34-5110 25 15/16 35/64
3/4-16 34-5112 25 1-1/8 41/64
7/8-14 34-5114 10 1-5/16 3/4
1-14 34-5116 10 1-1/2 55/64
1-1/8-12 34-5118 5 1-11/16 31/32
1-1/4-12 34-5120 5 1-7/8 1-1/16
1-3/8-12 34-5122 5 2-1/16 1-11/64
1-1/2-12 34-5124 2 2-1/4 1-9/32

Variation: Plain Finish (Coarse Thread – USS)

Size No. Width Across Flats Thickness
1/4-20 34-5904 7/16 7/32
5/16-18 34-5905 1/2 17/64
3/8-16 34-5906 9/16 21/64
7/16-14 34-5907 11/16 3/8
1/2-13 34-5908 3/4 7/16
5/8-11 34-5910 15/16 35/64
3/4-10 34-5912 1-1/8 41/64
7/8-9 34-5914 1-5/16 3/4
1-8 34-5916 1-1/2 55/64
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.