Drill bit AWTools AW42707, single 30 g general-purpose metal/wood bit

AWTools AW42707, single 30 g general-purpose metal/wood bit is a compact replacement drill bit intended for standard drilling tasks in workshop and home environments. Made of high-quality carbon steel with a tungsten carbide blade and a titanium nitride (TiN) coating, this single bit is described as suitable for a range of materials including glass, stoneware, ceramics, porcelain, brick, aluminium and other soft metals. Its lightweight construction facilitates storage and transport and it can be used in manual or powered drills when size and material compatibility are observed.

Advantages

The tungsten carbide blade with a hardness of 90 HRC provides enhanced edge retention compared with plain carbon steel, while the TiN coating reduces friction and improves wear resistance during drilling. The carbon steel body offers structural strength and the product's compact single-bit format makes it convenient as a spare or replacement tool for both home and workshop use. The bit's specification lists suitability for a variety of brittle and soft-metal substrates when used with appropriate drilling technique.

Suitable for

• Drilling holes in glass, ceramics and porcelain (with correct low-speed technique and coolant)
• Working with stoneware and brick for light masonry tasks
• Drilling aluminium and other soft metals
• General-purpose repairs and replacement tasks in home and workshop settings

Key specifications

• Material: carbon steel body with tungsten carbide blade
• Blade hardness: 90 HRC (tungsten carbide)
• Coating: titanium nitride (TiN)
• Weight: 30 g (single bit)
• Compatible tools: manual drills and powered drills when size and shank match

How to use

Secure the bit in a compatible drill chuck ensuring the shank and drill are matched for size and type. For brittle materials such as glass, ceramics and porcelain, operate at low speed, avoid impact mode, and use a suitable coolant or lubricant to prevent overheating and reduce the risk of cracking. For soft metals and light masonry, use appropriate feed pressure and steady drilling speed. Replace the bit if cutting performance declines or if visible wear appears on the carbide tip.

Usage recommendations

Use the AWTools AW42707 at low speed for brittle materials, never in impact/drill-hammer mode for glass or ceramics, and apply suitable coolant when drilling to prolong tip life and reduce heat buildup.