Small Hole Tapered Button Bits
Product name: Small Hole Tapered Button Bits.
Application Area: Underground Mining.
Drilling Hole Dia in mm: Small Hole 28-43.
Steel and Tungsten Carbide Quality: Grade A.
Tapered connection: 6 degree, 7 degree, 11 degree, 12 degree etc.
Pack: Wooden Box.
BIT DIAMETER NOTES
All bit diameters are larger than the given dimensions in the catalog.
Cross bits: Can be a maximum of +1 mm due to manufacturing tolerance.
Button bits: Some bit designs can be a maximum +3 mm to compensate for fast diameter wear.
The minimum diameter for all button bits is +1.5 mm above the given dimensions.
Keep in mind that a bit always drills a bigger hole than the stated bit diameter.