£54.87

Cheaper than 62% of the days we've watched it.

£55 today · 30-day average £62 · all-time low £51

Dormer G17110.4 Series G171 HSS 100° Countersink, TiAIN, 10.4mm x 2.5mm x 49mm

View at Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 71 days · 71 data points (no recent data)

Historical
Generating forecast…
£62.99 £50.07 £52.89 £55.71 £58.53 £61.35 £64.17 02 August 2026 19 August 2026 06 September 2026 23 September 2026 11 October 2026
View at Amazon ↗

Bright, 0372555

Price data last checked 20 day(s) ago - will refresh soon

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 71 days • 4 price levels

Days at Price
Current Price
9 days 18 days 2 days · current 42 days 0 11 21 32 42 £51 £54 £55 £63 Days at Price

Price Analysis

Most common price: £63 (42 days, 59.2%)

Price range: £51 - £63

Price levels: 4 different prices over 71 days

Description

The 100 degree angle on the G171 countersinks will chamfer holes for special fasteners with 100 degree heads. They are made from High Speed steel, making them suitable for chamfering holes in many materials including steels, aluminium and stainless steels. G171 countersinks have a titanium aluminium nitride coating, which increases the service life of the countersink with improved performance when used for extended periods at high speed. G171 countersinks can be used in both machine and hand held applications and with the reduced plain shank, even large diameter countersinks can be held in standard chucks and holders, making the G171 a very versatile tool.

Key Features

100 degrees Angle - designed to chamfer holes to accommodate special fasteners with 100 degree heads

Premium HSS material - can be used for chamfering holes in many materials including steel, aluminium, stainless steels

Reduced plain shank - allows large diameter countersinks to be held in standard holders and chucks

Titanium Aluminium Nitride coating - increases service life of the countersink, improved performance when used for extended periods at high speed

Versatile product - can be used in both machine and hand held applications

Product Specifications

Brand
Dormer
Model
0372555
Colour
Bright
Size
10.40 Mm
Domain
Amazon UK
Listed Since
03 April 2017

Barcode

No barcode data available

Similar Products You Might Like

Dormer G1716.3 Series G171 HSS 100° Countersink, TiAIN, 6.3mm x 1.5mm x 44mm
99% match

Dormer G1716.3 Series G171 HSS 100° Countersink, TiAIN, 6.3mm x 1.5mm x 44mm

Dormer

£58.19 10 Oct 2026
Dormer G1718.3 Series G171 HSS 100° Countersink, TiAIN, 8.3mm x 2.0mm x 49mm
99% match

Dormer G1718.3 Series G171 HSS 100° Countersink, TiAIN, 8.3mm x 2.0mm x 49mm

Dormer

£45.34 25 Aug 2026
Dormer G17116.5 Series G171 HSS 100° Countersink, TiAIN, 16.5mm x 3.2mm x 56mm
99% match

Dormer G17116.5 Series G171 HSS 100° Countersink, TiAIN, 16.5mm x 3.2mm x 56mm

Dormer

£70.42 21 Aug 2026
Dormer G12920.0 Series G129 HSS 90° Countersink, Bright, 20.0mm x 60mm
99% match

Dormer G12920.0 Series G129 HSS 90° Countersink, Bright, 20.0mm x 60mm

Dormer

£48.86 26 Aug 2026
Dormer G14219.0 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 19.0mm x 3.5mm x 63mm
99% match

Dormer G14219.0 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 19.0mm x 3.5mm x 63mm

Dormer

£49.92 09 Oct 2026
Dormer G14212.4 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 12.4mm x 2.8mm x 56mm
99% match

Dormer G14212.4 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 12.4mm x 2.8mm x 56mm

Dormer

£45.02 18 Aug 2026
Dormer G33520.0 Series G335 HSS 60° Countersink, TiN, 20.0mm x 5.0mm x 67mm
99% match

Dormer G33520.0 Series G335 HSS 60° Countersink, TiN, 20.0mm x 5.0mm x 67mm

Dormer

£75.85 25 Aug 2026
Dormer G14950 G149 HSS-E 90 Degree Countersink - 50mm x 40mm
99% match

Dormer G14950 G149 HSS-E 90 Degree Countersink - 50mm x 40mm

Dormer

£362.13 28 Aug 2026
Dormer G50625.0 G506 90 Degree Countersink - 25mm x 3.8mm
99% match

Dormer G50625.0 G506 90 Degree Countersink - 25mm x 3.8mm

Dormer

£105.59 25 Aug 2026
Dormer G14220.5 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 20.5mm x 3.5mm x 63mm
99% match

Dormer G14220.5 Series G142 HSS 90° Countersink with Extra Radial Relief, Bright, 20.5mm x 3.5mm x 63mm

Dormer

£68.72 28 Aug 2026
Dormer G2361 HSS Countersink Set - 90 degrees Angle, 6 pcs
98% match

Dormer G2361 HSS Countersink Set - 90 degrees Angle, 6 pcs

Dormer

£104.95 11 Oct 2026
Dormer G33825.0 G338 90 Degree Morse Taper Countersink - 25mm
98% match

Dormer G33825.0 G338 90 Degree Morse Taper Countersink - 25mm

Dormer

£164.30 25 Aug 2026
Dormer G136 HSS 90 Degree Countersink - Straight Shank
98% match

Dormer G136 HSS 90 Degree Countersink - Straight Shank

Dormer

£51.95 28 Oct 2026
Dormer G2363 HSS 90 Degree Countersink Set - 6 Piece
98% match

Dormer G2363 HSS 90 Degree Countersink Set - 6 Piece

Dormer

£106.95 26 Aug 2026
Dormer G33863.0 Series G338 HSS 90° Morse Taper Shank Countersink, TiN, 63.0mm x 16.0mm x 180mm
98% match

Dormer G33863.0 Series G338 HSS 90° Morse Taper Shank Countersink, TiN, 63.0mm x 16.0mm x 180mm

Dormer

£378.78 29 Oct 2026
Dormer G60025.0 G600 HSS 90 Degree Extra Long Countersink
98% match

Dormer G60025.0 G600 HSS 90 Degree Extra Long Countersink

Dormer

£176.84 26 Aug 2026
Dormer G136 HSS High Speed Steel Straight Shank Countersink with 90 Degree Angle, Single Pack
98% match

Dormer G136 HSS High Speed Steel Straight Shank Countersink with 90 Degree Angle, Single Pack

Dormer

£17.53 13 Oct 2026
Dormer G60020.5 HSS 90 Degree Extra Long Countersink - 20.5mm
98% match

Dormer G60020.5 HSS 90 Degree Extra Long Countersink - 20.5mm

Dormer

£95.24 26 Aug 2026
Dormer G60010.4 Series G600 HSS 90° Extra Long Countersink, Bright, 10.4mm x 2.2mm x 157mm
98% match

Dormer G60010.4 Series G600 HSS 90° Extra Long Countersink, Bright, 10.4mm x 2.2mm x 157mm

Dormer

£56.15 22 Aug 2026
Dormer G13780.0 G137 HSS 60 Degree Morse Taper Countersink
97% match

Dormer G13780.0 G137 HSS 60 Degree Morse Taper Countersink

Dormer

£608.02 27 Aug 2026
Dormer G13863.0 Series G138 HSS 90° Morse Taper Shank Countersink, Bright, 63.0mm x 16.0mm x 180mm
97% match

Dormer G13863.0 Series G138 HSS 90° Morse Taper Shank Countersink, Bright, 63.0mm x 16.0mm x 180mm

Dormer

£390.96 24 Aug 2026
Dormer G13763.0 Series G137 HSS 60° Morse Taper Shank Countersink, Bright, 63.0mm x 20.0mm x 190mm
97% match

Dormer G13763.0 Series G137 HSS 60° Morse Taper Shank Countersink, Bright, 63.0mm x 20.0mm x 190mm

Dormer

£312.70 29 Oct 2026
Dormer G6008.3 Series G600 HSS 90° Extra Long Countersink, Bright, 8.3mm x 1.8mm x 155mm
97% match

Dormer G6008.3 Series G600 HSS 90° Extra Long Countersink, Bright, 8.3mm x 1.8mm x 155mm

Dormer

£60.41 22 Aug 2026
Dormer G12515.0X6.8 Series G125 HSS 180° Counterbore, Bright, 15.0mm x 6.8mm x 100mm
97% match

Dormer G12515.0X6.8 Series G125 HSS 180° Counterbore, Bright, 15.0mm x 6.8mm x 100mm

Dormer

£62.99 13 Oct 2026