99 Piece Titanium Twist Drill Bit Set SAE Sizes This 99-piece titanium twist drill bit set is manufactured from hardened, tempered high speed steel (HSS 4241) for strength, durability, and consistent performance. A titanium coating helps resist rust, reduce heat buildup, and extend bit life during repeated use. Designed with a 135-degree fast-cutting point , each bit is self-centering to reduce walking and requires less pressure for faster, cleaner drilling. This comprehensive set includes the most commonly used SAE sizes, making it ideal for DIY projects, home maintenance, and general workshop use. The drill bits are neatly organized in a durable plastic storage case for easy identification, storage, and transport. Key Features Manufactured from high speed steel for strength and durability Titanium coating increases hardness, reduces heat, and improves wear resistance 135 self-centering tip for fast, accurate drilling with less pressure Suitable for drilling wood, cast iron, aluminum alloy, plastic, and fiberglass Includes a wide range of popular SAE sizes Supplied in a hard plastic storage box for organization and portability Size Breakdown (Total: 99 Pieces) 1/16"" 16 pcs 5/64"" 16 pcs 3/32"" 15 pcs 7/64"" 10 pcs 1/8"" 10 pcs 9/64"" 8 pcs 5/32"" 8 pcs 11/64"" 3 pcs 3/16"" 3 pcs 13/64"" 2 pcs 7/32"" 2 pcs 1/4"" 2 pcs 5/16"" 2 pcs 3/8"" 2 pcs Specifications Material: HSS 4241 with titanium coating Point Angle: 135 Size Range: 1/16"" to 3/8"" (SAE) Storage: Plastic case Not Suitable For Stainless steel Carbon steel High-hardness metals