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Bosch 25 piece Metal Twist Drill Bit Set, 1mm to 13mm

14 In stock for delivery within 4 working days
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Bosch HSS-G ProBox 25-Piece Metal Drill Bit Set DIN 338.

Bosch HSS-G ProBox Twist drill bit set is a 25-piece set with bit sizes from 1 to 13 mm and all DIN 38. The drill bits are made from steel, fully ground HSS plus there is no need for pre-punching or pilot drilling for up to 10mm. Excellent for solid standard drilling plus they have cylindrical shanks enabling use in drill drivers and stands. With a 135° tip, h8 diameter tolerance, self-centring split point tip you will achieve perfect centring and precise cutting with no wondering.

Features and Benefits.

• HSS-G ProBox 25-piece drill bit set.
• Bit sizes 1 to 13 mm (0.5 mm increments).
• Fully ground HSS.
• Pre-punching and pilot drilling not required (up to 10 mm).
• Cylindrical shanks (equal to the bit diameter).
• Compatible with drill drivers and stands.
• 135° tip
• H8 Diameter tolerance.
• Self-centring.
• Split point tip.
• No wondering.
• Precise cut.
• 40% faster drilling rate.
• 50% lower feed pressure.
• Solid standard drilling.

Typical Applications.

• Alloyed steel and non-alloyed steel (900N/mm2.
• Cast iron.
• Malleable cast iron.
• Cast steel.
• Sintered iron.
• Hard plastics.
• Non-ferrous metals.

What is included?

• Metal storage box (euro hole).
• 25 Drill Bits.
• Sizes 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13 mm.

Other Bosch HSS-G Drill sets Available.

• Stock number 2360691, 19-piece 1 to 10 mm.
• Stock number 7595788, 25-piece 1 to 13 mm.
• Stock number 8741071, 19-piece 1 to 10 mm.
• Stock number 8741080, 25 -piece 1 to 13 mm.


What does HSS mean?

• High speed drill bits. They are also known as “twist drill bits”.

Are the drill bits available individually?

• Yes, Bosch have a wide range of individual drill bits available.
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Can these drill bits drill into metal?

• Yes, HSS drill bits can drill into metal such as iron, steel, non-ferrous metals, grey cast iron, wood, stone plus hard plastics.

Safety Advice.

• Never use a drill bit that exceeds the drilling capacities of the drill you are using.
• Always wear safety goggles and appropriate clothing, dust masks, hearing protection and work gloves.
• We recommend the use of a coolant when drilling.


DIN 338

Drill Bits & HSS/Masonry Sets

Metalworking drills.

Drill Bit TypeTwist Drill Bit
Minimum Size1mm
Maximum Size13mm
Drilling ApplicationMetal
Number of Pieces25
Set ContentsHSS Drill Bits