Spiral Point Tap; 5/16″ -18 × 3.543″ OAL ; HSSE ; Nitride ; UNC ; 3B
Spiral Point Tap; 5/16″ - 18 ; 3.543″ OAL ; HSSE ; 3B ; Series BU206511

| Thread Standard | UNC | Applicable Material | | Super-Alloys / Titanium | |
| Thread Size | 5/16″ - 18 | Application | Blind Hole |
| Thread Diameter Size (TDZ) | 5/16″ | Connection Diameter Machine Side (DCONMS) | 0.318″ |
| Threads per Inch (TPI) | 18 | Thread Cutting Part Length (THL) | 0.79″ |
| Thread Tolerance Class (TCTR) | 3B | End Shape | Spiral Point|Chamfer |
| Overall Length (OAL) | 3.543″ | Style | Spiral Point |
| Chamfer | 2P-3P | Cutting Direction (HAND) | Right Hand |
| Cutting Edge Material | HSSE | Coolant Supply Property (CSP) | External |
| Standard | DIN | ANSI | Measurement Type | Inch |
| Tool Type | Rekord B-Aero | Series/List # | BU206511 |
Product Features
| Remarks | • Rekord B-AERO tap is designed for through hole applications in tough, aerospace materials with high tensile strength.
• Longer tool life and more consistent thread quality.
• A negative rake angle provides a stronger cutting edge for maximum tool life. | Country of Origin | Germany |
Shipping Info
Package Length
.50000
Package Width
4.50000
Package Height
.50000
Package Weight
1
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