- TOP
- Punching Tools
- BK Burring Tool
BK Burring Tool
Features & Specification
- Burr-less Extrusion Work
- Tapping Burrs (Extrusion Burrs) Removal Work Elimination
- Product Value Improvement
Specification
Tool Type | Form-up two- hit | Form-down two-hit |
---|---|---|
Tool Size | Bst:1 1/4” | |
Material | Mild Steel / Aluminum (Stainless: up to 1.2mm) | |
Thickness | 0.8mm~1.6mm | 0.8mm~2.3mm |
Die Height | 35.5mm | 30.0mm |
BK Burring Pre-hole Inner Diameter
(Mild Steel・Aluminum・Stainless)
Tap Type | Tap size | M2.6 | M3 | M4 | M5 | M6* |
---|---|---|---|---|---|---|
Forming Tap |
Extrusion Inner Dia. | φ2.37 | φ2.75 | φ3.65 | φ4.60 | φ5.5 |
Pre-hole Inner Dia. | φ1.3 | φ1.6 | φ2.0 | φ2.5 | φ3.0 | |
Cutting Tap |
Extrusion Inner Dia. | φ2.21 | φ2.57 | φ3.40 | φ4.30 | φ5.10 |
Pre-hole Inner Dia. | φ1.3 | φ1.6 | φ2.0 | φ2.5 | φ3.0 |
※ Inner diameter of “Tapping Tool for M6” / “Burring Tool for M6 Forming Multi-Tap” is φ5.55.
※ BK Burring Tool is only two-hit type. Pre-hole diameter is specified by AMADA.
※ Extrusion height can not be altered because the diameter value of the pre-hole are fixed.