EG 1/4 - 28 Emuge UNF 2B Spiral Flute Wire Insert Tap Uncoated - Clearance
B0513500.5639 (C)
EG 1/4-28 UNF-2B-SF-STI
HSSE tap for applications in many materials.

| Thread | EG UNF STI |
| Diameter (d1) | 1/4 |
| Pitch | 28 TPI |
| Geometry | Z |
| OAL (l1) | 90mm |
| Length of cutting edge (l2) | 10mm |
| Usable Length (l3) | 35mm |
| Shank Diameter (d2) | 8mm |
| Square ■ | 6.2mm |
| Tap hole diameter | 6.6mm |
B0513500.5639 (C) EG 1/4 - 28 EMUGE UNF 2B SPIRAL FLUTE WIRE INSERT TAP UNCOATED - CLEARANCE