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A. The set contains 17 bits in total. Twelve are titanium nitride coated high speed steel straight shank drills in sizes 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, and 6.0 mm. Five are tungsten steel masonry drills in sizes 3.0, 5.0, 6.0, 8.0, and 10 mm.
A. The high speed steel drills carry a titanium nitride coating, which is applied to HSS bits intended for drilling metal and general-purpose materials. The source data confirms the coating type; always verify suitability with the specific material being drilled.
A. The five masonry drills included in the Draper 18551 set are constructed from tungsten steel, which is the material specified in the source data for these bits.
A. All 17 drill bits are housed in a soft grip plastic case. The set is display packed, keeping each bit organised, protected, and ready for use or storage.
A. Yes. All sizes in the Draper 18551 set are stated in millimetres. The HSS bits range from 1.5 mm to 6.0 mm and the masonry bits range from 3.0 mm to 10 mm.
A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.
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