Product Description
A2 Stainless Steel Countersunk Slotted Self Tapping Screw Kit – 300 Pieces
This assorted kit contains A2 stainless steel countersunk slotted self tapping screws in No.6, No.8 and No.10 sizes. Three lengths in each diameter provide a practical selection for repairs, maintenance and general assembly.
The countersunk head allows a flush finish in a correctly prepared countersink, while the slotted drive accepts a suitable flat-bladed screwdriver. A2 stainless steel provides corrosion resistance for general indoor and outdoor use.
Product Specifications
- Material: A2 stainless steel
- Head type: Countersunk
- Drive: Slotted
- Thread type: Self tapping
- Size range: No.6, No.8 and No.10
- Lengths: 1/2", 3/4" and 1"
- Total quantity: 300 screws
- Packaging: Divided plastic storage box with clip-down lid, or refill pack without a box
Kit Contents
| Screw Size | Metric Size | Quantity |
|---|---|---|
| No.6 × 1/2" | 3.5 × 13mm | 50 |
| No.6 × 3/4" | 3.5 × 19mm | 50 |
| No.6 × 1" | 3.5 × 25mm | 40 |
| No.8 × 1/2" | 4.2 × 13mm | 40 |
| No.8 × 3/4" | 4.2 × 19mm | 40 |
| No.8 × 1" | 4.2 × 25mm | 35 |
| No.10 × 1/2" | 4.8 × 13mm | 15 |
| No.10 × 3/4" | 4.8 × 19mm | 15 |
| No.10 × 1" | 4.8 × 25mm | 15 |
DIN 7972 Head and Drive Dimensions
Reference dimensions for slotted countersunk self tapping screws are shown below. All dimensions are in millimetres.
| Size | Head Diameter | Nominal Head Height | Nominal Slot Width | Minimum Slot Depth |
|---|---|---|---|---|
| No.6 / 3.5mm | 6.44–6.80 | 2.10 | 1.00 | 0.60 |
| No.8 / 4.2mm | 7.74–8.10 | 2.50 | 1.20 | 0.75 |
| No.10 / 4.8mm | 9.14–9.50 | 3.00 | 1.20 | 0.85 |
Installation and Measuring
Prepare a suitable pilot hole for the screw diameter and material being fastened. Countersink the entry hole where a flush finish is required, and use a flat-bladed screwdriver that fits the slot securely.
Countersunk screw length is measured over the complete screw, including the head.
Boxed Assortment or Refill Pack
Choose the boxed kit to keep the nine sizes separated and easy to identify, or select the refill pack to replenish your existing storage box.
