# Dia. Dec.Equ. Flute Length Shank DIA OAL. Number of Flutes
1 1.0mm 0.0394 12mm N/A 34mm N/A
2 1.5mm 0.0591 18mm N/A 40mm N/A
3 2.0mm 0.0787 24mm N/A 49mm N/A
4 2.5mm 0.0984 30mm N/A 57mm N/A
5 3.0mm 0.1181 33mm N/A 61mm N/A
6 3.5mm 0.1378 39mm N/A 70mm N/A
7 4.0mm 0.1575 43mm N/A 75mm N/A
8 4.5mm 0.1772 47mm N/A 80mm N/A
9 5.0mm 0.1969 52mm N/A 86mm N/A
10 5.5mm 0.2165 57mm N/A 93mm N/A
11 6.0mm 0.2362 57mm N/A 93mm N/A
12 6.5mm 0.2559 63mm N/A 101mm N/A
13 7.0mm 0.2756 69mm N/A 109mm N/A
14 7.5mm 0.2953 69mm N/A 109mm N/A
15 8.0mm 0.3150 75mm N/A 117mm N/A
16 8.5mm 0.3346 75mm N/A 117mm N/A
17 9.0mm 0.3543 81mm N/A 125mm N/A
18 9.5mm 0.3740 81mm N/A 125mm N/A
19 10.0mm 0.3937 87mm N/A 133mm N/A
Other sizes as per customer request.

Product Description

  • Including 19pcs of twist drill bits with 19 sizes: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm ;
  • Made of high quality high speed steel, which is abrasion resistant and durable, and coated with titanium for three times of prolonged life Straight shank for standard drill chucks and collet chuck to hold firmly, assuring accurate centering Ideal for drilling wood, plastic, aluminum and thin iron sheet etc;
  • Perfect for home DIY, building and engineering use etc. Helical flute for swarf to easily get out; 
  • No center punch is needed—the aggressive 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander";
  • Standard 118-degree point configuration is ideal for general purpose drilling applications .