Spiral Flute Tap; 1/4″ -20 × 3.15″ OAL ; HSSE ; Bright ; UNC ; BT
Spiral Flute Tap; 1/4″ - 20 ; 3.15″ OAL ; HSSCo ; Uncoated ; BT ; Series BU513500

| 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 | Uncoated |
| Thread Cutting Part Length (THL) | 0.67″ | Flute Type | Spiral |
| Usable Length (LU) | 0.669″ | 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) | External |
| Applicable Material | | Steel | | Measurement Type | Inch |
| Cutting Edge Material | HSSCo | Series/List # | BU513500 |
| Thread Tolerance Class (TCTR) | BT | 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. | Country of Origin | Germany |
Shipping Info
Package Weight
0.99
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