Metro Industries
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Lock Nuts

How to measure: Lock nut (inch)
How to measure: Lock nut
Sold by the thread size of the bolt it fits. Thickness is measured overall.

17 products

Size Thread Material Thread Series Sold by Part number Price
1/2" Diameter
1/2-13 13 TPI Steel USS/Coarse Each NXD-12 $3.36 / each
Description Size Thread Grade Finish Material Thread Series Sold by Part number Price
3/8" Diameter
Elastic Stop Nut USS 316 Stainless Steel 3/8-16 16 TPI 316 stainless USS/Coarse Each NNE6-38 $0.97 / each
Elastic Stop Nut USS Brass 3/8-16 16 TPI Brass USS/Coarse Each NNEB-38 $0.79 / each
Elastic Stop Nut USS Stainless Steel 3/8-16 16 TPI Stainless USS/Coarse Each NNES-38 $0.29 / each
Elastic Stop Nut USS Steel 3/8-16 Zinc 16 TPI Zinc Steel USS/Coarse Each NNE-38 $0.10 / each
Elastic Stop Nut Gr 8 3/8-16 Yellow zinc 16 TPI Grade 8 Yellow zinc Steel USS/Coarse Each NNE8-38 $0.19 / each
1/2" Diameter
Elastic Stop Nut USS Stainless Steel 1/2-13 13 TPI Stainless USS/Coarse Each NNES-12 $0.86 / each
Elastic Stop Nut USS Steel 1/2-13 Zinc 13 TPI Zinc Steel USS/Coarse Each NNE-12 $0.24 / each
Elastic Stop Nut Gr 8 1/2-13 Yellow zinc 13 TPI Grade 8 Yellow zinc Steel USS/Coarse Each NNE8-12 $0.44 / each
3/4" Diameter
Elastic Stop Nut SAE Stainless Steel 3/4-16 16 TPI Stainless SAE/Fine Each NNES-F34 $8.52 / each
Elastic Stop Nut SAE Steel 3/4-16 Zinc 16 TPI Zinc Steel SAE/Fine Each NNE-F34 $0.99 / each
Elastic Stop Nut SAE Gr 8 3/4-16 Yellow zinc 16 TPI Grade 8 Yellow zinc Steel SAE/Fine Each NNE8-F34 Price on request

Flange Stover Top Lock Nut Grade G

Finish:
Yellow zinc
Thread Series:
USS/Coarse
Size Thread Sold by Part number Price
3/8" Diameter
3/8-16 Yellow zinc 16 TPI Each NLG-38 $0.39 / each
1/2" Diameter
1/2-13 Yellow zinc 13 TPI Each NLG-12 Price on request

Flange Tri-loc Nut Gr 8

Grade:
Grade 8
Finish:
Yellow zinc
Material:
Steel
Thread Series:
USS/Coarse
Size Thread Sold by Part number Price
3/8" Diameter
3/8-16 Yellow zinc 16 TPI Each NLI8-38 Price on request
1/2" Diameter
1/2-13 Yellow zinc 13 TPI Each NLI8-12 Price on request

Heavy Elastic Stop Nut Nu

Material:
Steel
Thread Series:
USS/Coarse
Size Thread Sold by Part number Price
3/8" Diameter
3/8-16 16 TPI Each NNH-38 $0.47 / each
1/2" Diameter
1/2-13 13 TPI Each NNH-12 $1.06 / each

Hex Security Locknut Heavy

Material:
Steel
Thread Series:
USS/Coarse
Description Size Thread Grade Sold by Part number Price
3/8" Diameter
Hex Security Locknut Heavy USS Gr 5 3/8-16 16 TPI Grade 5 Each NLH5-38 $3.85 / each
1/2" Diameter
Hex Security Locknut Heavy USS Gr 8 1/2-13 13 TPI Grade 8 Each NLH8-12 $4.92 / each
Description Size Thread Finish Material Thread Series Sold by Part number Price
3/8" Diameter
Jam Elastic Stop Nut Nte USS Stainless Steel 3/8-16 16 TPI Stainless USS/Coarse Each NNTS-38 $0.23 / each
Jam Elastic Stop Nut Nte USS Steel 3/8-16 Zinc 16 TPI Zinc Steel USS/Coarse Each NNT-38 $0.18 / each
1/2" Diameter
Jam Elastic Stop Nut Nte USS Stainless Steel 1/2-13 13 TPI Stainless USS/Coarse Each NNTS-12 $0.40 / each
Jam Elastic Stop Nut Nte USS Steel 1/2-13 Zinc 13 TPI Zinc Steel USS/Coarse Each NNT-12 $0.32 / each
3/4" Diameter
Jam Elastic Stop Nut Nte USS Stainless Steel 3/4-16 16 TPI Stainless SAE/Fine Each NNTS-F34 Price on request
Jam Elastic Stop Nut Nte SAE Steel 3/4-16 Zinc 16 TPI Zinc Steel SAE/Fine Each NNT-F34 $1.06 / each

Jam Heavy Elastic Stop Nut Ntu Steel

Finish:
Zinc
Material:
Steel
Thread Series:
USS/Coarse
Size Thread Sold by Part number Price
3/8" Diameter
3/8-16 Zinc 16 TPI Each NNU-38 $0.24 / each
1/2" Diameter
1/2-13 Zinc 13 TPI Each NNU-12 Price on request

Jam Top-lock Nut

Thread Series:
USS/Coarse
Description Size Thread Grade Finish Material Sold by Part number Price
3/8" Diameter
Jam Top-lock Nut USS Stainless Steel 3/8-16 16 TPI Stainless Each NLTS-38 $0.99 / each
Jam Top-lock Nut Steel 3/8-16 Zinc 16 TPI Zinc Steel Each NLT-38 $0.19 / each
Jam Top-lock Nut USS Gr 8 3/8-16 Zinc 16 TPI Grade 8 Zinc Steel Each NLT8-38 $0.79 / each
1/2" Diameter
Jam Top-lock Nut Steel 1/2-13 Zinc 13 TPI Zinc Steel Each NLT-12 Price on request

Keps Lock Nut

Finish:
Zinc
Material:
Steel
Thread Series:
USS/Coarse
Size Thread Sold by Part number Price
3/8" Diameter
3/8-16 Zinc 16 TPI Each NLK-38 $0.33 / each
1/2" Diameter
1/2-13 Zinc 13 TPI Each NLK-12 Price on request