Cross-Recessed (+) Pan Head Self-Tapping Screw Type 1 A

Brand :
SUNCO
Caution
- Products made of iron-based material are supplied unfinished and require surface treatment by the customer.
Products made of iron-based material may have anti-rust oil applied for rust prevention. - The product images are representative only. Specifications may vary by part number, including shape and color.
Product Description
This is a SUNCO cross-recessed pan head self-tapping screw.
Among types 1 to 3, this product has the coarsest pitch.

| Nominal diameter | 2 | 2.3 | 2.5 | 2.6 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 8 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dk | Reference dimension | 3.5 | 4.0 | 4.5 | 4.5 | 5.5 | 6.0 | 7.0 | 8.0 | 9.0 | 10.5 | 14.0 | ||
| Tolerance | 0 -0.4 | 0 -0.5 | 0 -0.6 | 0 -0.7 | 0 -0.8 | |||||||||
| k | Reference dimension | 1.3 | 1.5 | 1.7 | 1.7 | 2.0 | 2.3 | 2.6 | 2.9 | 3.3 | 3.9 | 5.2 | ||
| Tolerance | +/- 0.1 | +/- 0.15 | +/- 0.2 | |||||||||||
| Cross - recessed | m | Reference | 2.2 | 2.4 | 2.6 | 2.6 | 3.6 | 3.9 | 4.2 | 4.6 | 4.9 | 6.3 | 7.8 | |
| Q | Maximum | 1.01 | 1.21 | 1.42 | 1.42 | 1.43 | 1.73 | 2.03 | 2.43 | 2.73 | 2.86 | 4.36 | ||
| Minimum | 0.60 | 0.80 | 1.00 | 1.00 | 0.86 | 1.15 | 1.45 | 1.84 | 2.14 | 2.26 | 3.73 | |||
| Cross Recessed Number | 1 | 2 | 3 | |||||||||||
| r | Maximum | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | |||||||
| d | Maximum | 2.1 | 2.4 | 2.6 | 2.7 | 3.1 | 3.65 | 4.15 | 4.65 | 5.2 | 6.2 | 8.2 | ||
| Minimum | 2 | 2.3 | 2.5 | 2.6 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 8 | |||
| Number of threads per 25.4 mm | 32 | 32 | 28 | 28 | 24 | 18 | 16 | 14 | 12 | 10 | 9 | |||