Product Description
240-Piece 5/16" UNF A2 Stainless Steel Bolt, Nut & Washer Assortment
An assortment of hexagon head fasteners, full nuts, Nyloc nuts, flat washers and spring washers in A2 stainless steel. Includes five fully threaded screw lengths and one part threaded bolt length.
Specifications
- Material: A2 stainless steel.
- Thread: 5/16" UNF, 24 threads per inch.
- Head style: hexagon.
- Nominal bolt spanner size: 1/2" across flats.
- Total quantity: 240 pieces.
Pack Contents
| Component | Size | Quantity |
|---|---|---|
| Fully threaded hex head set screw | 5/16" UNF x 5/8" | 10 |
| Fully threaded hex head set screw | 5/16" UNF x 3/4" | 10 |
| Fully threaded hex head set screw | 5/16" UNF x 7/8" | 10 |
| Fully threaded hex head set screw | 5/16" UNF x 1" | 10 |
| Fully threaded hex head set screw | 5/16" UNF x 1 1/4" | 10 |
| Part threaded hex head bolt | 5/16" UNF x 1 1/2" | 10 |
| Flat washer | 5/16" | 60 |
| Spring washer | 5/16" | 60 |
| Nyloc nut | 5/16" UNF | 25 |
| Hexagon full nut | 5/16" UNF | 35 |
Hex Head Dimensions
Reference dimensions for the corresponding ASME B18.2.1 hexagon head patterns. Measurements below are in inches.
| Fastener Type | Head Width Across Flats | Head Height | Nominal Spanner Size |
|---|---|---|---|
| Fully threaded set screw | 0.484–0.500 | 0.195–0.235 | 1/2" |
| Part threaded bolt | 0.489–0.500 | 0.195–0.211 | 1/2" |
Packaging Options
Choose a plastic storage box with dividers and a clip-down lid, or a refill pack supplied without a box.
Measuring & Fitting
Measure screw and bolt length from beneath the head to the end. Start nuts by hand and tighten steadily to help avoid cross-threading and stainless steel galling. Ensure the bolt passes fully through the nylon insert when using a Nyloc nut.
Browse additional nuts, washers and our mixed-size UNF stainless screw and nut assortment.
