The Faithfull FAIMPSET20 20 piece drill bit set is for use on multiple materials and surfaces including concrete, block, brick, metal, plastic, glass, ceramic and wood. The quad pack contains the following:
1) 5 piece TCT masonry drill bits (FAIMDSET5)
This tungsten carbide tip drill set contains the 5 most popular bit sizes for use with wall fixing plugs.
Designed for use in hammer drills, these bits have a heavy-duty carbide tip and fast spiral for waste removal and are suitable for general purpose masonry drilling including bricks, blocks, cement render and the majority of building materials used both inside and out.
The set includes sizes: 5, 5.5, 6, 6.5, 7mm

2) 7 piece HSS drill bits - metric (FAIM7PSET)
This high speed steel (HSS) set contains the most commonly used sizes. Although designed for cutting metal the straight shank drills are also suitable for drilling holes in timber, chipboard and plywood and may be used in hand or power drills. A cutting lubricant is recommended when using these drills in metal.
The set includes sizes: 1.5, 2, 3, 4, 5, 5.5, 6mm

3) 4 piece tile & glass drill bits (FAIGDSET4)
For drilling glass, mirrors and ceramics. The extremely hard tungsten carbide tips are made to use at low speeds with light pressure. Lubricate with water for best results. Note: Not for use on hardened, toughened or tempered glass.
The set includes sizes: 3, 4, 5, 6mm

4) 4 piece wood flat bits (FAIFBSET4)
Flat bits are ideal for use with mains or cordless drills. The bits are shaped for faster and cleaner cutting and are equally efficient when drilling with or against the grain. All sizes have a non-slip specially machined hexagonal shank with a locking mechanism which is compatible with adaptors or chucks with a built-in 'quick release' feature.
The set includes sizes: 10, 13, 16, 19mm