Alpha Gold Series Jobber Drill Imperial 1/2″

SKU: 9LI12
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$24.06 (GST Excl.)

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Description

Features

Alpha Gold Series 1/2″ Jobber Drill Bit

When you go to buy a drill bit, what are you needing? Just a drill? or do you actually want HOLES?

Rigorous independent testing has proven that the Gold Series Drills outperform other Australian drills on the market by more than 30% – giving you more holes for your dollar in every single drill bit!

The Alpha Carded Gold series Drills boast the highest quality M2 HSS jobber drill!

DRILL FEATURES

• M2 HSS Fully ground M2 HSS material increases drill life

• Titanium Nitride coating reduces heat and increases lubricity for extended life

• 135º Split Point cuts faster and reduces wandering

Alpha Gold Series Drills are packaged in a reusable plastic hang pack, keeping your drills safe, clean and dry.

DRILLING PRACTICE

The flute form, web thickness and split point of the standard Alpha drills are suitable for most materials forming fine chips. For effective drilling, the rigidity of the drilland work piece are most important. The shorter the flute length the more rigid the drill. Long drills must be adequately supported to reduce vibration.

The following are important in drill use :

• Clamp the work piece securely

• Select the correct speed and feed

• Use an appropriate coolant or lubricant

• Ensure the shank is securely held. Aviod using worn drill chucks as the drill may slip during use.

• Regrind the point or replace the drill before it dulls, do not force a worn drill.

• When deep hole drilling, withdraw frequently to clear the chips ( deep holes start at 4X the diameter)

• For stainless steel, manganese and high tensile steels, do not allow the drill to swell as it will cause work-hardening. Use a slower speed and heavier feed for these materials.

Specs

Category: 
ALPHA Jobber Gold Series Bulk – Imperial
Overall Length: 
152
Flute Length: 
114
Package Size: 
1
Diameter (inches): 
1/2″

Brand

Alpha

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