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Hex Jam Nuts, Black Oxide Stainless Steel 18-8, 1/4"-20 (7/16 Flats x 5/32 Thick)

Hex Thin Nuts or Check Nuts - Black Oxide 18-8 Stainless Steel

Comparable to hex finish nuts but thinner, allowing for two to be used to clamp against each other
A Hex Jam Nut is also known as a Check Nut, Thin Hex Nut, or Thin Nut
Used for clamping nuts together without clamping against another object
Secure an item to a fastener without exerting force on it
Abrasion Resistant Black Oxide 18-8 Stainless Steel
Commonly used in the automotive, tool manufacturing, firearms and knife building industries.

Reference Materials

US Machine Screw Hex Nut Size Chart (PDF) Thumbnail

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

Nut Sizes	Flats	Thickness
1/4"-20	7/16"	5/32"
5/16"-18	1/2"	3/16"
3/8"-16	9/16"	7/32"
1/2"-13	3/4"	5/16"

Product number: 12320002

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Specifications

Across Flats (Width): 7/16"
Color: Black
Condition: New
Corrosion Resistant: Yes
Diameter: 1/4"
Drive Style: External Hex
Thread Direction: Right Hand
Finish: Black Oxide
Fit: 2B
Grade: 18-8
Internal Thread: 1/4/2020
Material: Stainless Steel
Part Number: 717029141941
Product Type: Hex Jam Nut
Size Type: Regular
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 20 Per Inch
Thread Size: 1/4"-20
Thread Standard: UNC
Thread Type: Coarse
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Video Embed Code: ilbQOxMfYQg
Video Thumbnail Image: graphics/00000001/hex-jam-nuts-product-video-thumbnail.jpg
Weight: 1 lb

Select Size/SKU & Quantity

4 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
1/4"-20 12320002	1 $0.26 ($0.26/ea) 100 $16.00 ($0.16/ea) 1000 $140.00 ($0.14/ea)	Quantity for Hex Jam Nuts, Black Oxide Stainless Steel 18-8, 1/4"-20 (7/16 Flats x 5/32 Thick) $0.00
5/16"-18 12320014	1 $0.36 ($0.36/ea) 100 $21.00 ($0.21/ea) 1000 $190.00 ($0.19/ea)	Quantity for Hex Jam Nuts, Black Oxide Stainless Steel 18-8, 5/16"-18 (1/2 Flats x 3/16 Thick) $0.00
3/8"-16 12320026	1 $0.45 ($0.45/ea) 100 $27.00 ($0.27/ea) 1000 $240.00 ($0.24/ea)	Quantity for Hex Jam Nuts, Black Oxide Stainless Steel 18-8, 3/8"-16 (9/16 Flats x 7/32 Thick) $0.00
1/2"-13 12320038	1 $1.31 ($1.31/ea) 100 $82.00 ($0.82/ea) 1000 $710.00 ($0.71/ea)	Quantity for Hex Jam Nuts, Black Oxide Stainless Steel 18-8, 1/2"-13 (3/4 Flats x 5/16 Thick) $0.00