Spiral Flute Tap; 1/4″ -28 × 3.15″ OAL ; HSSE ; GLT-8 ; UNF ; GH7
Spiral Flute Tap; 5/16″ - 24 ; 3.15″ OAL ; HSSCo ; DLC ; | 3B | H3 |

| Thread Diameter Size (TDZ) | 5/16″ | Thread Tolerance Class (TCTR) | | 3B | H3 | |
| Threads per Inch (TPI) | 24 | Standard | DIN | ANSI |
| Thread Standard | UNF | Tool Type | Enorm AL |
| Overall Length (OAL) | 3.15″ | Chamfer | 2P-3P |
| Usable Length (LU) | 1.26″ | Coating | DLC |
| Connection Diameter Machine Side (DCONMS) | 0.255″ | Flute Type | Spiral |
| Flute Helix Angle (FHA) | 45 Degrees | Cutting Direction (HAND) | Right Hand |
| Applicable Material | | Aluminum / Non-Ferrous Materials | | Coolant Supply Property (CSP) | External |
| Cutting Edge Material | HSSCo | Application | Blind Hole |
Product Features
| Remarks | • The Enorm AL design is typically for blind hole threads in long chipping aluminum alloys.
• Longer tool life and more consistent thread quality.
• The fast spiral flute (45°) provides good chip removal from blind holes. | Country of Origin | Germany |
Shipping Info
Package Weight
0.057
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