Dormer Spiral Drill Bit HSS N TiN 8.8mm Core Hole G1/8
Dormer

Dormer Spiral Drill Bit HSS N TiN 8.8mm Core Hole G1/8

SKU HC-589112MPN P100085 8,8

Highlights

  • 8.8mm diameter for G1/8 thread pre-drilling
  • High-speed steel N substrate construction
  • Titanium nitride coating reduces friction
  • Spiral flute design clears chips efficiently
  • Precision ground for accurate hole sizing

Key specs

Type
Tools and Components
All specifications
$4.99
  • ≈ 0.00006468 BTC
  • ≈ 0.002179 ETH
  • ≈ 5 USDT

In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $39.90 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Full manufacturer warranty
  • 30-day returns Unused items in original packaging
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Overview

This Dormer twist drill creates precise 8.8mm core holes for tapping G1/8 inch threads. The HSS N substrate with TiN coating suits professional metalworking applications.

Design and Materials

The drill uses a high-speed steel N body for toughness in general purpose machining. A titanium nitride surface treatment increases surface hardness and lowers the coefficient of friction during cutting.

Application and Performance

Engineered specifically for producing 8.8mm core holes prior to tapping 1/8 inch BSP threads. The spiral flute geometry promotes reliable chip evacuation in through-hole and blind-hole drilling.

Features

Precision ground cutting edges ensure dimensional accuracy and consistent hole quality. The coating extends tool life compared to uncoated high-speed steel drills in steel and cast iron.

Spiral Drill Bit HSS N TiN 8.8mm Core Hole G1/8 specifications

General
BrandDormer
Manufacturer part no.P100085 8,8

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $39.90DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2$5.90
Other EU countriesDHL Parcel International2–8$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International3–7$24.90
United States and CanadaDHL Express Worldwide2–5$39.90
Asia and the Middle EastDHL Express Worldwide2–5$49.90
Australia and New ZealandDHL Express Worldwide3–6$59.90
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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