Up for sale is a brand new Precision Twist Drill, I say brand new because none of the drill bits have been used. It is an old set made in the USA. 115 pcs of quality drill bits. All the bits are marked PTD USA M42. Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys. Gold provides a polished finish on a cobalt or High Speed Steel (HSS) tool. It is commonly used on aluminum alloy, titanium and plastic. Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials. Drill Bit Set Type. Jobber Length Drill Bits. Minimum Drill Bit Size (Inch). Minimum Drill Bit Size (Letter). Minimum Drill Bit Size (Wire). Maximum Drill Bit Size (Wire). Maximum Drill Bit Size (Inch). Maximum Drill Bit Size (Letter). Drill Bit Size (Wire). Drill Bit Size (Letter). A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z. Drill Bit Size (Inch). 1/16; 5/64; 3/32; 7/64; 1/8; 9/64; 5/32; 11/64; 3/16; 13/64; 7/32; 15/64; 1/4; 17/64; 9/32; 19/64; 5/16; 21/64; 11/32; 23/64; 3/8; 25/64; 13/32; 27/64; 7/16; 29/64; 15/32; 31/64; 1/2. (115) Jobber Length Drills. The item “Precision Twist Drill PTD 115 PC Cobalt split point Drill Set USA Jobber Length” is in sale since Thursday, November 24, 2016. This item is in the category “Home & Garden\Tools\Power Tools\Drill Bits”. The seller is “tlfxr1″ and is located in Plaistow, New Hampshire. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, PH, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, BR, CL, CO, CR, PA, TT, GT, HN, JM.

• Brand: precision twist drill
• Country/Region of Manufacture: United States
• Type: Metal
• MPN: Does Not Apply