Dormer HSS, 158 mm Overall 23 mm 1

View all Drill Bits

Subtotal (1 unit)*

$171.78

(exc. GST)

$188.96

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 11 unit(s) shipping from 09 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +$171.78

*price indicative

RS Stock No.:
299-7956
Mfr. Part No.:
A170-23,00
Brand:
Dormer
Find similar products by selecting one or more attributes.
Select all

Brand

Dormer

Product Type

Drill Bit

Material

HSS

Number of Flutes

1

Flute Type

Helical

Overall Length

158mm

Number of Pieces

1

Shank Type

Cylindrical

Drill Bit Size

23 mm

Drilling Length

82mm

Drill Point Angle

118°

Shank Size

12.7 mm

Standards/Approvals

No

RoHS Status: Exempt

COO (Country of Origin):
GB

HSS plain stem drill bits with Ø 12.7 mm A170


Series of HSS plain stem drill bits of diameter 12.7 mm at a normal helix of 30° and sharpening of 118°.

These drill bits are for general piercing of steel, cast iron, etc.

The reduced stem of 12.7 mm allows work with machinery equipped with spindles with a maximal capacity of 13 mm (1//2").

Related links