Half Round H.S.S.Jobbers Length Twist Drill
TTC PRODUCTION Half Round H.S.S.Jobbers Length Twist Drill - Cutting Direction: Right Hand   Size : #55   Tool Material: H.S.S.   Shank Style: Straight shank   Drill Type: Jobbers Length

Half Round H.S.S.Jobbers Length Twist Drill

Item #: 01-052-055
Size Type: Number
Size: #55
Drill Point Angle: 118°
Excellent for drilling brass, copper, hard rubber, fiber and other soft materials


  • For drilling operations in soft materials that can frequently clog the standard helical flutes with chips.
  • For use on soft non-ferrous metals such as brass, copper, and soft aluminum. Non-metallic materials, such as rubber, fiber, and paper may also be machined with these drills.
  • May be used with hand held manual drills and either portable or stationary machines.


  • Greater chip clearance for deep drilling.
  • Finer finish at higher cutting speeds.
  • Greater accuracy by minimizing off center problems and drill run-off in deep holes.
TTC PROD A52 118° Point HSS Ground Bright Wire Gage Half Round Jobbers Length Drills
Product Specifications
Size Type Number
Size #55
Drill Point Angle 118°
Tool Material High Speed Steel
Finish Coating Bright
Cutting Direction Right Hand
Decimal Size .0520"
Drill Type Jobbers Length
Flute Shape Half Round
Hardness 58 to 60 RC
Manufacturing Method Fully Ground
Model # 01-052-055
Overall Length 1-7/8"
Point Sharpening Type Normal Point
Prop. 65 Yes
Series A52
Shank Style Straight Shank
Type Half Round H.S.S.Jobbers Length Twist Drill
Weight 0.0417 lbs.
Country of Origin Import
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Other Items to Consider

TTC PRODUCTION Single Flute High Speed Steel Countersinks - Included Angle: 82°     Overall Length : 1-1/2   Shank Diameter : 3/16   SIZE : 3/16   No of Flutes: 1