Understanding Drill Bits and Fixings

What material are the tips of masonry bits made from?

• Steel

• Tungsten carbide

• Aluminum

• Copper

What type of materials can masonry bits penetrate?

• Wood and plastic

• Masonry, concrete, and stone

• Glass and ceramics

• Fabric and leather

What is the purpose of the wider flutes in auger bits?

• To increase drilling speed

• To allow wood chipping to be released

• To reduce noise

• To improve grip

What materials can twist drills be used on?

• Wood, metal, and plastic

• Glass, ceramic, and stone

• Fabric, paper, and cardboard

• Rubber, foam, and leather

What material is a spade bit typically used on?

• Metal

• Plastic

• Wood

• Concrete

What is the function of the centre point on a spade bit?

• To cut the wood

• To act as a pilot

• To measure depth

• To smooth the surface

What do the flat steel cutting edges of a spade bit do?

• Polish the wood

• Cut away the wood

• Measure the wood

• Glue the wood

Do core drills require hammer action?

• Yes

• No

• Sometimes

• Only for concrete

Which bit is not suitable for drilling into any material listed?

• Spade

• Auger

• Diamond Core

• Step Drill (Unibit)

Which bit is suitable for drilling into brick/block?

• Masonry

• HSS Steel Twist

• Step Drill (Unibit)

• Holesaw