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Multi-Purpose Drill Bits PDF Print E-mail

Multi-Purpose Drill Bits are suitable for drilling through steel into masonry materials in one operation without changing the bit due to the special cutting edge geometry and the diamond-ground cutting surfaces of the special carbide tip. The titanium carbide is extremely wear resistant. Packaged individually.

multi-purpose

Item Code Overall Length
Price
MPB-1/8X3
3"
Click for Price
MPB-5/32X6
6"
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MPB-3/16X3-1/2
3-1/2"
Click for Price
MPB-3/16X6
6"
Click for Price
MPB-1/4X4-1/4
4-1/4"
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MPB-1/4X6
6"
Click for Price
MPB-5/16X6
6"
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MPB-3/8X5-1/4
5-1/4"
Click for Price
MPB-1/2X6 6" Click for Price
MPB-5/8X6 6" Click for Price


Drilling Guidelines

Material

Mode of Operation

RPM up to 1/4" dia.

RPM 5/16" TO 1/2" diameter


Granite/Stone
With Rotary Percussion 1500 1000

Brick
With or w/o Rotary Percussion 1500 1000

Marble
With or w/o Rotary Percussion 1500 1000

Cast Stone
With or w/o Rotary Percussion 1500 1000

Concrete
With or w/o Rotary Percussion¹
1500 1000

Soft Wood
Without Percussion 2500 1500

Hard Wood
Without Percussion 1600 800

Ceramic Tile
Without Percussion² 1800 1200
Porcelain Without Percussion³ 1200 800
Baked Ceramic Without Percussion³ 1200 800
Glass/Crystal Without Percussion∞ 800 600

¹Drilling in rebar, stop percussion action!

²Apply moderate pressure

³Liquid coolant. Strong pressure

∞Liquid coolant

 

 
 

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