The Dormer A170 Parallel shank drill bits feature a standard helix and right-hand spiral, commonly...The Dormer A170 Parallel shank drill bits feature a standard helix and right-hand spiral, commonly known as a Blacksmith's drill. These HSS (High-Speed Steel) drill bits are ideal for general-purpose drilling across a wide range of materials, particularly when chuck holding capacity is limited. They are suitable for both hand and machine use. The Series A170 Blacksmiths Drills have a standard 1/2" parallel shank, allowing them to be used in a 1/2" chuck. These metric drills are capable of drilling up to 4x their diameter. This specific variant has a tip diameter of 14 mm, a working length of 83mm, and an overall length of 156mm.
Dormer A170 Hs 1/2In Parallel Shank Drill 18 Mm A17018.0Free delivery in 1–3 days£101.94Visit shop →
Dormer A170 Hs 1/2In Parallel Shank Drill 20.0 Mm A17020.0Free delivery in 1–3 days£117.58Visit shop →
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The Dormer A170 Parallel shank drill bits feature a standard helix and right-hand spiral, commonly known as a Blacksmith's drill. These HSS (High-Speed Steel) drill bits are ideal for general-purpose drilling across a wide range of materials, particularly when chuck holding capacity is limited. They are suitable for both hand and machine use. The Series A170 Blacksmiths Drills have a standard 1/2" parallel shank, allowing them to be used in a 1/2" chuck. These metric drills are capable of drilling up to 4x their diameter. This specific variant has a tip diameter of 14 mm, a working length of 83mm, and an overall length of 156mm.