Hex Jam Nuts Zinc Plated Steel

Hex Jam Nuts Zinc Plated Steel Product Video

Zinc Plated Hex Jam Nuts

Hex Thin Nuts (Check Nuts) with a Case Hardened, Zinc Plated Finish


  • Comparable to hex finish nuts but thinner
  • A Hex Jam Nut is also known as a Check Nut, Thin Hex Nut, or Thin Nut
  • Available in UNC and UNF sizes
  • Used for clamping nuts together without clamping against another object
  • The nuts are tightened against each other instead
  • Secure an item to a fastener without exerting force on it

Reference Materials


US Machine Screw Hex Nut Size Chart (PDF) Thumbnail

US Hex Jam Nut Size Chart (PDF) - Print Friendly, 100Kb


Nut Size Width Across Flats Height
1/4" 7/16" 5/32"
5/16" 1/2" 3/16"
3/8" 9/16" 7/32"
7/16" 11/16" 1/4"
1/2" 3/4" 5/16"
9/16" 7/8" 5/16"
5/8" 15/16" 3/8"
3/4" 1-1/8" 27/64"
7/8" 1-5/16" 31/64"
1" 1-1/2" 35/64"
Select Products Below See Product Specifications See Product Video

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
1 $0.07 (0.07/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00 /
1 $0.06 (0.06/ea)
100 $4.00 (0.04/ea)
1000 $30.00 (0.03/ea)
Subtotal: $0.00 /
1 $0.07 (0.07/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00 /
1 $0.08 (0.08/ea)
100 $5.00 (0.05/ea)
1000 $40.00 (0.04/ea)
Subtotal: $0.00 /
1 $0.08 (0.08/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00 /
1 $0.08 (0.08/ea)
100 $6.00 (0.06/ea)
1000 $50.00 (0.05/ea)
Subtotal: $0.00 /
1 $0.11 (0.11/ea)
100 $7.00 (0.07/ea)
1000 $60.00 (0.06/ea)
Subtotal: $0.00 /
1 $0.15 (0.15/ea)
100 $10.00 (0.1/ea)
1000 $90.00 (0.09/ea)
Subtotal: $0.00 /
1 $0.15 (0.15/ea)
100 $9.00 (0.09/ea)
1000 $820.00 (0.82/ea)
Subtotal: $0.00 /
1 $0.19 (0.19/ea)
100 $12.00 (0.12/ea)
1000 $110.00 (0.11/ea)
Subtotal: $0.00 /
1 $0.20 (0.2/ea)
100 $14.00 (0.14/ea)
1000 $130.00 (0.13/ea)
Subtotal: $0.00 /
1 $0.42 (0.42/ea)
100 $32.00 (0.32/ea)
1000 $290.00 (0.29/ea)
Subtotal: $0.00 /
1 $0.21 (0.21/ea)
100 $14.00 (0.14/ea)
1000 $120.00 (0.12/ea)
Subtotal: $0.00 /
1 $0.41 (0.41/ea)
100 $31.00 (0.31/ea)
1000 $280.00 (0.28/ea)
Subtotal: $0.00 /
1 $0.29 (0.29/ea)
100 $20.00 (0.2/ea)
1000 $170.00 (0.17/ea)
Subtotal: $0.00 /
1 $0.56 (0.56/ea)
100 $44.00 (0.44/ea)
1000 $400.00 (0.4/ea)
Subtotal: $0.00 /
1 $1.20 (1.2/ea)
100 $102.00 (1.02/ea)
1000 $880.00 (0.88/ea)
Subtotal: $0.00 /
1 $1.31 (1.31/ea)
100 $108.00 (1.08/ea)
1000 $970.00 (0.97/ea)
Subtotal: $0.00 /
1 $1.40 (1.4/ea)
100 $119.00 (1.19/ea)
1000 $1,040.00 (1.04/ea)
Subtotal: $0.00 /
1 $1.96 (1.96/ea)
100 $161.00 (1.61/ea)
1000 $1,450.00 (1.45/ea)
Subtotal: $0.00 /
1 $6.06 (6.06/ea)
100 $507.00 (5.07/ea)
1000 $4,650.00 (4.65/ea)
Subtotal: $0.00 /
1 $7.14 (7.14/ea)
100 $554.00 (5.54/ea)
1000 $5,350.00 (5.35/ea)
Subtotal: $0.00 /
1-1/4"-12
1-1/4"-12
1 $3.32 (3.32/ea)
100 $285.00 (2.85/ea)
1000 $2,620.00 (2.62/ea)
Subtotal: $0.00 /
1 $5.20 (5.2/ea)
100 $447.00 (4.47/ea)
1000 $4,100.00 (4.1/ea)
Subtotal: $0.00 /
1-1/2"-12
1-1/2"-12
1 $9.05 (9.05/ea)
100 $780.00 (7.8/ea)
1000 $7,160.00 (7.16/ea)
Subtotal: $0.00 /
1 $8.45 (8.45/ea)
100 $728.00 (7.28/ea)
1000 $6,690.00 (6.69/ea)
Subtotal: $0.00 /
1-3/4"-12
1-3/4"-12
1 $5.90 (5.9/ea)
100 $579.00 (5.79/ea)
1000 $5,750.00 (5.75/ea)
Subtotal: $0.00 /
1 $9.14 (9.14/ea)
100 $902.00 (9.02/ea)
1000 $8,990.00 (8.99/ea)
Subtotal: $0.00 /
1 $13.21 (13.21/ea)
100 $1,139.00 (11.39/ea)
1000 $10,460.00 (10.46/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Drive Style
External Hex
Finish
Zinc Plated
Material
Steel
Product Type
Hex Jam Nut
Standards Met
REACH, RoHS
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

Product Video

Hex Jam Nuts Zinc Plated Steel Product Video