Les Attaches RJM
Les Attaches RJM
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All
All
Zinc
Size 1" - 8
Size 7/8" - 9
Size 5/8" - 11
Size 1/8" - 7
Size 3/4"
Size 1/2" - 13
Imperial (Inch)
Metric (Millimeter)
Coarse Thread [UNC]
Fine Thread [UNF]
Extra-Fine Thread [UNEF]
UNS
Steel
Size 3/8"
0-80
2-56
4-40
6-32
8-32
10-24
10-32
12-24
1/4-28
1/4-32
5/16-18
5/16-24
5/16-32
3/8-16
3/8-24
3/8-32
7/16-14
7/16-20
1/2-13
1/2-20
1/2-28
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-14
1-1/8-7
1-1/4-7
1-1/4-12
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 1" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 1.54
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 1-1/2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 2.17
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 1-1/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 1.96
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 1-3/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 2.58
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 2.72
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_4f3d8cc5-78e4-46d6-94ee-f1b1b0001a1c.png?v=1748015920&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 3.36
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 3" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview.png?v=1748015698&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 3.88
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 3/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_c731897d-ccdc-4900-8277-fb5778b8c5ed.png?v=1748363664&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 3.05
![Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy Steel 1/2-20 * 4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/d0e9b98d-4318-4563-afbf-8a32189a0ad5-removebg-preview_3032cef0-28c8-4458-8a87-2e57b9a1f3d6.png?v=1748016795&width=480)
Button Head Cap Screw Fine & Full Thread Black-Oxide Alloy S
CAD 5.96

Castel Nut Fine Thread black Steel 1/2-20 Grade 2
CAD 0.53

Conical Hexagonal Nut Fine Thread Zinc Plated 1/2-20 Grade 8
CAD 0.4

Coupling Hexagonal Nut Fine Thread 304 Stainless Steel 1/2-2
CAD 4.6

Coupling Hexagonal Nut Fine Thread Zinc Plated 1/2-20 * 1-1/
CAD 1.27
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 1" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_8a0965a0-6fb9-46a1-95b7-9ae9a99328b0.png?v=1748531804&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 0.69
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 1-1/2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_99ab5c8d-2df2-4c28-973d-dfe5d082294d.png?v=1748531801&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 0.9
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 1-1/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_113e04d0-a05c-465a-aef8-1da48b12f414.png?v=1748531803&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 0.74
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 1-3/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_97a5fb6a-116d-43bc-8ae5-512495c0bd0d.png?v=1748531800&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 1.28
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_719fcdff-ee56-4221-8e11-29e07582ba45.png?v=1748531798&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 1.39
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 2-1/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_8f7bf3b1-1d98-4340-ae23-025e21ad8142.png?v=1748531796&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 3.47
![Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 * 3/4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/files/May_28__2025__02_04_31_PM-removebg-preview_7fbe4256-989f-4f51-80cc-298b67338c00.png?v=1748531806&width=480)
Flat Head Cap Screw Fine & Full Thread Black Steel 1/2-20 *
CAD 0.57
![Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 2-1/2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/products/flat_head_hexdrive_PT_NR_e605a232-40d6-435e-9308-cc04fa0d6f0d.png?v=1591121820&width=480)
Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 2-1/2"
CAD 2.73
![Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 3" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/products/flat_head_hexdrive_PT_NR_54673f9d-2761-45d6-8472-1dc14bf37225.png?v=1591121821&width=480)
Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 3" Grad
CAD 3.21
![Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 3-1/2" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/products/flat_head_hexdrive_PT_NR_430c51f8-f030-49f6-8b40-58c7a05ff8b1.png?v=1591121822&width=480)
Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 3-1/2"
CAD 3.87
![Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 4" Grade 8 [Cup Point] [Allen Drive]](https://cdn.shopify.com/s/files/1/0025/7674/4483/products/flat_head_hexdrive_PT_NR_56302ab6-eddb-4260-a34a-c1864ce426aa.png?v=1591121823&width=480)
Flat Head Cap Screw Fine Thread Black Steel 1/2-20 * 4" Grad
CAD 4.48