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KINCROME 10 Piece HSS Drill Bit Set – Metric
Contents
Sizes: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0mm
SKU: K21843
Categories: Jobber, Metal Drilling
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Bright Finish HSS
BORDO Bright Finish HSS Jobber Drill Fractional
- Bordo Fractional Quick Silver M2-HSS Twist Drills.
- ANSI B94-11
- 118° Split Point (crankshaft point).
- Split point is self centering and reduces the need for end thrust. Friction at workpiece is reduced.
- 118° point angles are ideal for use in materials such as mild steel and cast iron.
- The 118° point creates easily controlled chips which are wide and thin.
- Bright Finish Twist Drills have no surface treatment and are supplied in the as-ground condition.
- These tools are suitable for general purpose use, particularly for non-ferrous applications.
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Bright Finish HSS
BORDO Wire Gauge Bright Finish HSS Jobber Drill
- Bordo Wire Gauge Quick Silver M2-HSS Twist Drills.
- 118° Standard Chisel Point
- Chisel point is ideal for general purpose drilling.
- 118° point angles are ideal for use in materials such as mild steel and cast iron.
- The 118° point creates easily controlled chips which are wide and thin.
- Bright Finish Twist Drills have no surface treatment and are supplied in the as-ground condition.
- These tools are suitable for general purpose use, particularly for non-ferrous applications.
- Gauge size drill calculations are generally made utilising a reference book or table.
- For example, to drill a hole which is 10 thou (thousandth of an inch = .001) bigger than a 1/8″ bolt, the user must first work out that 1/8″ is 125 thou, so the required hole size is 135 thou. Using a reference table establishes that you would need a number 29.
- Number drill bit gauge sizes are analogous to, but different from, American wire gauge.
- Number gauge is most commonly used from size 80 (the smallest) to size 1 (the largest) followed by letter gauge size A (the smallest) to size Z (the largest).
- Number gauge is actually defined down to size 97, but these smallest sizes are very rarely used.
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Metal Drilling
KINCROME 24 Piece HSS Drill Bit Set – Metric
Contents
Sizes: 1.0, 1.5, 2.0, 2.5 (2), 3.0 (2), 3.5 (2), 4.0 (2), 4.5, 5.0 (2), 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm(0 reviews) -
Colour Band
BORDO Red Band HSS-Co TiAlN Tough Treatable Steel Drilling
- Bordo Metric Red Band HSS-Co TiAlN Coated Twist Drills for Tough Treatable Steel.
- DIN338
- 130° UX point with two helical parabolic flutes with 33 degrees of helix angle.
- The mechanical properties of materials are influenced diversely by the addition of alloying elements and heat treatment processes, resulting in some high-strength, quenched and tempered steels or hardened steels.
- This range has its own unique set of machining requirements which are satisfied by the Red Band – Tough Treatable Steel – Series.
- TiAlN coating increases tool surface hardness to 87Rc.
- For machining materials with Hardness < 470 HB : Tensile Strength <1500 N/mm2.
(0 reviews)Add to Quote This product has multiple variants. The options may be chosen on the product page