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Hex nylon insert lock nuts, Stainless steel 18-8

Hex nylon insert lock nuts

Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread count. Thus a 1/4"-20 nut fits a 1/4"-20 bolt.

Note: Stainless lock nuts may require extra care during installation to avoid galling (seizing up). More info.

Nylon insert hex nut diameter

Resources

Click on a product # for additional info

Prod. # Diameter and Thread count Each price Bag price Bulk price Price Buy

Coarse (standard) thread

21145 4 #3-48 $0.08 / ea $5.69 / 100 $48.80 / 1,000 $0.08 / ea $5.69 / 100 $48.80 / 1,000
4107 #4-40 $0.07 / ea $3.87 / 100 $32.50 / 1,000 $0.07 / ea $3.87 / 100 $32.50 / 1,000
2550 #6-32 $0.08 / ea $5.23 / 100 $43.90 / 1,000 $0.08 / ea $5.23 / 100 $43.90 / 1,000
2551 #8-32 $0.09 / ea $6.22 / 100 $52.20 / 1,000 $0.09 / ea $6.22 / 100 $52.20 / 1,000
2552 #10-24 $0.12 / ea $7.28 / 100 $61.10 / 1,000 $0.12 / ea $7.28 / 100 $61.10 / 1,000
2553 * #10-32 $0.11 / ea $6.60 / 100 $56.20 / 1,000 $0.11 / ea $6.60 / 100 $56.20 / 1,000
5578 #12-24 $0.14 / ea $9.99 / 100 $84.00 / 1,000 $0.14 / ea $9.99 / 100 $84.00 / 1,000
2554 1/4"-20 $0.15 / ea $10.06 / 100 $84.50 / 1,000 $0.15 / ea $10.06 / 100 $84.50 / 1,000
2555 5/16"-18 $0.22 / ea $15.64 / 100 $131.00 / 1,000 $0.22 / ea $15.64 / 100 $131.00 / 1,000
2556 3/8"-16 $0.32 / ea $12.72 / 50 $107.00 / 500 $0.32 / ea $12.72 / 50 $107.00 / 500
4102 7/16"-14 $0.53 / ea $10.91 / 25 $91.60 / 250 $0.53 / ea $10.91 / 25 $91.60 / 250
2557 1/2"-13 $0.63 / ea $13.19 / 25 $111.00 / 250 $0.63 / ea $13.19 / 25 $111.00 / 250
18175 4 9/16"-12 $2.47 / ea $42.93 / 25 $386.00 / 250 $2.47 / ea $42.93 / 25 $386.00 / 250
4103 5/8"-11 $1.43 / ea $29.63 / 25 $267.00 / 250 $1.43 / ea $29.63 / 25 $267.00 / 250
4104 3/4"-10 $2.38 / ea $48.93 / 25 $440.00 / 250 $2.38 / ea $48.93 / 25 $440.00 / 250
4105 7/8"-9 $4.52 / ea $93.99 / 25 $846.00 / 250 $4.52 / ea $93.99 / 25 $846.00 / 250
4106 1"-8 $6.34 / ea $131.17 / 25 $1,181.00 / 250 $6.34 / ea $131.17 / 25 $1,181.00 / 250

Fine thread

2553 * #10-32 $0.11 / ea $6.60 / 100 $56.20 / 1,000 $0.11 / ea $6.60 / 100 $56.20 / 1,000
4108 1/4"-28 $0.17 / ea $11.27 / 100 $96.70 / 1,000 $0.17 / ea $11.27 / 100 $96.70 / 1,000
4109 5/16"-24 $0.24 / ea $16.09 / 100 $138.00 / 1,000 $0.24 / ea $16.09 / 100 $138.00 / 1,000
4110 3/8"-24 $0.34 / ea $13.56 / 50 $116.00 / 500 $0.34 / ea $13.56 / 50 $116.00 / 500
4111 7/16"-20 $0.66 / ea $13.25 / 25 $114.00 / 250 $0.66 / ea $13.25 / 25 $114.00 / 250
4112 1/2"-20 $0.87 / ea $18.51 / 25 $159.00 / 250 $0.87 / ea $18.51 / 25 $159.00 / 250
4113 5/8"-18 $1.79 / ea $36.00 / 25 $309.00 / 250 $1.79 / ea $36.00 / 25 $309.00 / 250
4114 3/4"-16 $2.80 / ea $58.19 / 25 $500.00 / 250 $2.80 / ea $58.19 / 25 $500.00 / 250

4 This item is a semi-standard size and is therefore more expensive.

* 10-32 is a fine thread, but it is listed under coarse thread because it is very common.

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