Product Description
90 Piece UNC A2 Stainless Steel Hex Head Set Screw & Bolt Assortment
A practical selection of imperial UNC hexagon head fasteners for repairs, maintenance and assembly. Includes fully threaded set screws and bolts with plain shanks in three thread diameters.
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.
- Contents: 86 fully threaded set screws and 4 bolts with shanks.
- Total: 90 pieces.
Kit Contents
| Component | Size | Quantity |
|---|---|---|
| Fully threaded hex set screws | 1/4 × 3/4 inch UNC | 18 |
| Fully threaded hex set screws | 1/4 × 1 inch UNC | 15 |
| Fully threaded hex set screws | 5/16 × 3/4 inch UNC | 12 |
| Fully threaded hex set screws | 5/16 × 1 inch UNC | 27 |
| Fully threaded hex set screws | 3/8 × 3/4 inch UNC | 8 |
| Fully threaded hex set screws | 3/8 × 1 inch UNC | 6 |
| Hex head bolts with shanks | 3/8 × 1 1/2 inch UNC | 4 |
| Total | 90 | |
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
Sizes show the nominal thread diameter followed by the length. Hex head fasteners are measured from underneath the head to the tip, excluding the head. Match the diameter and UNC thread when selecting mating nuts or threaded holes.
Packaging Options
- Boxed set: supplied in a divided plastic storage box with a clip-down lid.
- Refill pack: the same fastener contents supplied in sealed bags, without the storage box.
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