Spiral Flute Tap; 1/4″ -20 × 3.15″ OAL ; HSSE ; TiCN ; UNC ; 2B
Spiral Flute Tap; 1/4″ - 20 ; 3.15″ OAL ; HSSCo ; TiCN ; 2B ; Series BU999400

| Thread Diameter Size (TDZ) | 1/4″ | Standard | DIN | ANSI |
| Threads per Inch (TPI) | 20 | Tool Type | Enorm Z/E |
| Thread Standard | UNC | Chamfer | 1.5P-2P |
| Overall Length (OAL) | 3.15″ | Coating | TiCN |
| Thread Cutting Part Length (THL) | 0.67″ | Flute Type | Spiral |
| Usable Length (LU) | 1.181″ | End Shape | Chamfer |
| Connection Diameter Machine Side (DCONMS) | 0.255″ | Cutting Direction (HAND) | Right Hand |
| Flute Helix Angle (FHA) | 45 Degrees | Coolant Supply Property (CSP) | Coolant Thru |
| Applicable Material | | Steel | Stainless Steel | Super-Alloys / Titanium | Aluminum / Non-Ferrous Materials | | Measurement Type | Inch |
| Cutting Edge Material | HSSCo | Series/List # | BU999400 |
| Thread Tolerance Class (TCTR) | 2B | Application | Blind Hole |
Product Features
| Remarks | • The Enorm Z/E design is typically for blind hole threads in long chipping materials.
• 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
0.04
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