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For the production of high precision concentrically centred countersinks in most metals where pilot holes have been pre-drilled. Shank diameter: 3/16"
Inclined Angles for Countersunk Socket Head Screws
Thread Series: Metric. Standard: BS EN ISO 10642. Thread Size: up to M20. Countersink Angle: 90.
Thread Series: Metric. Standard: BS EN ISO 10642. Thread Size: over M20. Countersink Angle: 60.
Thread Series: UNC/F. Standard: ANSI B 18.3. Thread Size: No.0 to 1". Countersink Angle: 82.
Thread Series: BSW/F. Standard: BS 2470. Thread Size: 1/8" to 1". Countersink Angle: 90.
Thread Series: BA. Standard: BS 2470. Thread Size: 8BA to 0BA. Countersink Angle: 90.
| Pilot Diameter | 3116in |
| Material | Cobalt High Speed Steel |
| Overall Length | 2-1/2in |
| Cutting Diameter | 3/16in |
| Number of Flutes | 3 |
| Finish/Coating | Bright |
| Head Type | Multiple Flute | Piloted |
| Countersink Angle | 120\u00b0 |
| Shank Diameter | 3/16in |
| Shank Type | Straight |
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