A Brand A-CSF 5/16-18 H5 3 Flute 2.5P Carbide Spiral Flute Tap
OSG A Brand A-CSF spiral flute taps are advanced-performance carbide coolant-through taps for cast iron and aluminum alloys. The large oil-hole design promotes coolant delivery, and ultra-fine grain carbide supports high wear resistance and toughness.
| Thread Size | 5/16-18 |
| Thread Type | UNC |
| Thread Pitch | 18 TPI |
| Class of Fit | 3B, 2B |
| Thread Limit | H5 |
| Chamfer Type | Modified Bottom (2.5P) |
| Chamfer Length | 0.139 in (3.528 mm) |
| Major Diameter | 0.313 in (7.938 mm) |
| Thread Length | 0.665 in (16.891 mm) |
| Tap Drill Size Range | 0.252 in (6.401 mm) - 0.265 in (6.731 mm) |
| Neck Length | 1.377 in (34.976 mm) |
| Overall Length | 3.540 in (89.916 mm) |
| Shank Diameter | 0.318 in (8.077 mm) |
| Square Length | 0.375 in (9.525 mm) |
| Square Width | 0.238 in (6.045 mm) |
| Substrate | Carbide |
| Surface Treatment | Bright |
| Coolant Thru | Yes |
| Number of Flutes | 3 |
| Cutting Direction | RH |
| Helix Angle | 15 Degrees |
| Helix Direction | RH |
| Interrupted Thread | No |
| List Number | 16605 |
| Country of Origin | JPN |
| Net Product Weight | 0.115 lb |
A Brand A-CSF 5/16-18 H5 3 Flute 2.5P Carbide Spiral Flute Tap
Sale price$261.86
Tooling Overview
| Cast Iron | Best |
| Aluminum (6061, 7075) | Best |
| Aluminum Casting | Best |
| Thread Size | 5/16-18 |
| Thread Type | UNC |
| Thread Pitch | 18 TPI |
| Class of Fit | 3B, 2B |
| Thread Limit | H5 |
| Chamfer Type | Modified Bottom (2.5P) |
| Chamfer Length | 0.139 in (3.528 mm) |
| Major Diameter | 0.313 in (7.938 mm) |
| Thread Length | 0.665 in (16.891 mm) |
| Tap Drill Size Range | 0.252 in (6.401 mm) - 0.265 in (6.731 mm) |
| Neck Length | 1.377 in (34.976 mm) |
| Overall Length | 3.540 in (89.916 mm) |
| Shank Diameter | 0.318 in (8.077 mm) |
| Square Length | 0.375 in (9.525 mm) |
| Square Width | 0.238 in (6.045 mm) |
| Substrate | Carbide |
| Surface Treatment | Bright |
| Coolant Thru | Yes |
| Number of Flutes | 3 |
| Cutting Direction | RH |
| Helix Angle | 15 Degrees |
| Helix Direction | RH |
| Interrupted Thread | No |
| List Number | 16605 |
| Country of Origin | JPN |
| Net Product Weight | 0.115 lb |
