Product Description
231 Piece UNC A2 Stainless Steel Hex Bolt, Set Screw & Full Nut Assortment
A practical selection of imperial UNC fasteners for workshop repairs, maintenance and assembly. Includes hexagon head bolts, fully threaded set screws and full nuts in three thread sizes.
Specifications
- Material: A2 stainless steel.
- Thread type: UNC, Unified National Coarse.
- Thread sizes: 1/4 inch, 5/16 inch and 3/8 inch.
- Head style: hexagon.
- Total contents: 231 pieces.
Kit Contents
| Component | Size | Quantity |
|---|---|---|
| Fully threaded hex set screws | 1/4 × 1/2 inch UNC | 17 |
| Fully threaded hex set screws | 1/4 × 3/4 inch UNC | 17 |
| Fully threaded hex set screws | 1/4 × 1 inch UNC | 17 |
| Fully threaded hex set screws | 5/16 × 3/4 inch UNC | 15 |
| Fully threaded hex set screws | 5/16 × 1 inch UNC | 15 |
| Fully threaded hex set screws | 5/16 × 1 1/2 inch UNC | 10 |
| Fully threaded hex set screws | 3/8 × 1 inch UNC | 8 |
| Hex head bolts | 3/8 × 1 1/2 inch UNC | 7 |
| Hexagon full nuts | 1/4 inch UNC | 60 |
| Hexagon full nuts | 5/16 inch UNC | 50 |
| Hexagon full nuts | 3/8 inch UNC | 15 |
| Total | 231 | |
UNC Thread Sizes
| Nominal Diameter | Threads Per Inch |
|---|---|
| 1/4 inch UNC | 20 TPI |
| 5/16 inch UNC | 18 TPI |
| 3/8 inch UNC | 16 TPI |
Sizing & Fitting
Bolt and screw sizes show the nominal thread diameter followed by the length. Length is measured from underneath the head to the tip, excluding the head. Match both the diameter and UNC thread when selecting a nut or threaded hole.
Packaging Options
- Boxed set: supplied in a divided plastic storage box with a clip-down lid.
- Refill pack: the same fastener contents supplied in separate bags, without the storage box.
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