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Hex Jam Nuts 18-8 Stainless Steel - Left Hand Thread

Stainless Steel Left Hand Jam Nuts

Left Hand Thread Hex Check Nuts (Thin Nuts) - 304 Stainless Steel

  • Similar to a finish nut but thinner allowing the nut to "jam"
  • Known as a Check Nut, Jam Nut, or Thin Nut
  • Left Hand Threaded (Counterclockwise)
  • UNC Coarse and UNF thread options available
  • Available in UNC coarse or fine UNF thread
  • Used when a nut needs to be tightened without clamping to another object
  • Two nuts are tightened against each other
  • 304 Stainless Steel
  • Distinguished by a counterclockwise arrow stamped on the nut
Nut Sizes Flats Thickness
1/4" 7/16" 5/32"
5/16" 1/2" 3/16"
3/8" 9/16" 7/32"
1/2" 3/4" 5/16"
5/8" 15/16" 3/8"
3/4" 1-1/8" 27/64"
Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Jam Nuts - Left Hand Thread - 1/4"-20 (7/16" Flats x 5/32" Thick)
SKU #1250000-0002
Jam Nuts - Left Hand Thread - 1/4"-20 (7/16" Flats x 5/32" Thick)
SKU #1250000-0002
1
 $0.68 (0.68/ea)
25
 $16.50 (0.66/ea)
100
 $59.00 (0.59/ea)
1000
 $580.00 (0.58/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 1/4"-28 (7/16" Flats x 5/32" Thick)
SKU #1250000-0012
Jam Nuts - Left Hand Thread - 1/4"-28 (7/16" Flats x 5/32" Thick)
SKU #1250000-0012
1
 $0.73 (0.73/ea)
25
 $16.75 (0.67/ea)
100
 $60.00 (0.6/ea)
1000
 $590.00 (0.59/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 5/16"-18 (1/2" Flats x 3/16" Thick)
SKU #1250000-0022
Jam Nuts - Left Hand Thread - 5/16"-18 (1/2" Flats x 3/16" Thick)
SKU #1250000-0022
1
 $1.09 (1.09/ea)
25
 $26.50 (1.06/ea)
100
 $100.00 (1/ea)
1000
 $990.00 (0.99/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 5/16"- 24 (1/2" Flats x 3/16" Thick)
SKU #1250000-0032
Jam Nuts - Left Hand Thread - 5/16"- 24 (1/2" Flats x 3/16" Thick)
SKU #1250000-0032
1
 $1.23 (1.23/ea)
25
 $29.00 (1.16/ea)
100
 $109.00 (1.09/ea)
1000
 $1,080.00 (1.08/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 3/8"- 16 (9/16" Flats x 7/32" Thick)
SKU #1250000-0042
Jam Nuts - Left Hand Thread - 3/8"- 16 (9/16" Flats x 7/32" Thick)
SKU #1250000-0042
1
 $1.48 (1.48/ea)
25
 $36.25 (1.45/ea)
100
 $143.00 (1.43/ea)
1000
 $1,400.00 (1.4/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 3/8"- 24 (9/16" Flats x 7/32" Thick)
SKU #1250000-0052
Jam Nuts - Left Hand Thread - 3/8"- 24 (9/16" Flats x 7/32" Thick)
SKU #1250000-0052
1
 $1.58 (1.58/ea)
25
 $38.00 (1.52/ea)
100
 $145.00 (1.45/ea)
1000
 $1,440.00 (1.44/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 1/2"- 13 (3/4" Flats x 5/16" Thick)
SKU #1250000-0062
Jam Nuts - Left Hand Thread - 1/2"- 13 (3/4" Flats x 5/16" Thick)
SKU #1250000-0062
1
 $3.07 (3.07/ea)
25
 $75.25 (3.01/ea)
100
 $296.00 (2.96/ea)
1000
 $2,940.00 (2.94/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 1/2"- 20 (3/4" Flats x 5/16" Thick)
SKU #1250000-0072
Jam Nuts - Left Hand Thread - 1/2"- 20 (3/4" Flats x 5/16" Thick)
SKU #1250000-0072
1
 $3.30 (3.3/ea)
25
 $81.50 (3.26/ea)
100
 $319.00 (3.19/ea)
1000
 $3,180.00 (3.18/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 5/8"- 11 (15/16" Flats x 3/8" Thick)
SKU #1250000-0082
Jam Nuts - Left Hand Thread - 5/8"- 11 (15/16" Flats x 3/8" Thick)
SKU #1250000-0082
1
 $16.02 (16.02/ea)
25
 $399.25 (15.97/ea)
100
 $1,590.00 (15.9/ea)
1000
 $15,890.00 (15.89/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 5/8"- 18 (15/16" Flats x 3/8" Thick)
SKU #1250000-0092
Jam Nuts - Left Hand Thread - 5/8"- 18 (15/16" Flats x 3/8" Thick)
SKU #1250000-0092
1
 $17.42 (17.42/ea)
25
 $434.00 (17.36/ea)
100
 $1,732.00 (17.32/ea)
1000
 $17,280.00 (17.28/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 3/4"- 10 (1-1/8" Flats x 27/64" Thick)
SKU #1250000-0102
Jam Nuts - Left Hand Thread - 3/4"- 10 (1-1/8" Flats x 27/64" Thick)
SKU #1250000-0102
1
 $30.50 (30.5/ea)
25
 $761.50 (30.46/ea)
100
 $3,040.00 (30.4/ea)
1000
 $30,380.00 (30.38/ea)
Subtotal: $0.00 /
Jam Nuts - Left Hand Thread - 3/4"- 16 (1-1/8" Flats x 27/64" Thick)
SKU #1250000-0112
Jam Nuts - Left Hand Thread - 3/4"- 16 (1-1/8" Flats x 27/64" Thick)
SKU #1250000-0112
1
 $32.84 (32.84/ea)
25
 $820.00 (32.8/ea)
100
 $3,273.00 (32.73/ea)
1000
 $32,700.00 (32.7/ea)
Subtotal: $0.00 /

Frequently Used With

MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz. 1050-106
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
Anti Seize MRO Solution 2400 - 8oz
Prevent Fastener Galling & Locking Up with Anti-Seize Lubricants

Our Price: $18.11
Subtotal: $0.00 /
MRO Solution 1000 - Food Grade Anti-Seize Lubricant - 8 oz.
MRO Solution 1000 - Food Grade Anti-Seize Lubricant - 8 oz. 1050-104
MRO Solution 1000 - Food Grade Anti-Seize Lubricant - 8 oz.
Food Grade Anti Seize MRO Solution 1000 - 8oz
Prevent Fastener Galling & Locking Up with Anti-Seize Lubricants

Our Price: $21.74
Subtotal: $0.00 /
Product Specifications
Color
Silver
Corrosion Resistant
Yes
Drive Style
External Hex
Grade
18-8
Material
Stainless Steel
Product Type
Hex Jam Nut - Left Hand Thread
System of Measurement (Unit)
Inch
Thread Direction
Left Hand
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

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