2054-4.20, 4.2mm, HSS Yellow Band Jobber

Description: HSS Yellow Band Jobber

Brand: Bordo (Colour Band)

Material: High Speed Steel (HSS)

Diameter: 4.2mm

Flute Length: 43mm

Overall Length: 75mm

MPN: 2054-4.20

Feed Per Revolution: 0.07mm

Cutting Speed Aluminium Alloy Cast, Low Si <5%: 30-40 m/min

Cutting Speed Aluminium Alloy Cast, Si >10%: 23-35 m/min

Cutting Speed Aluminium Alloy Wrought & Extruded: 50-60 m/min

Cutting Speed Aluminium Alloy Wrought & Treated: 35-50 m/min

Cutting Speed Copper – Brass, Bronze: 35-45 m/min

Cutting Speed Copper – Brass, Soft: 40-50 m/min

Cutting Speed Copper – Pure <100: 35-55 m/min

Quantity Per Package: 1 piece

SKU: 2054-4.20 Category: Colour Tags: drill bit, drill bit hss, drill bit colour, yellow Brand: Bordo

Description

4.2mm HSS Yellow Band Twist
Bordo Metric Yellow Band HSS Twist Drills for Aluminium and its alloys.
DIN338
130° web thinned point with two helical flutes with 35 degrees of helix angle.
The alloying elements which achieve varying Aluminium Alloys have an effect on the machining properties of these materials.
This generally creates a difficult long chip formation and material which has tendencies to stick to the tool, placing a unique set of demands on tooling. Yellow Band Series contends with these difficulties.
For machining materials with Hardness < 200 HB : Tensile Strength <700 N/mm2.