This heavy-duty jobber length drill bit is made of carbide and has a 25/64 inch diameter, 1.625 inch long shank. It is for use with alloy and carbon steel, aluminum, cast iron, stainless steel, and meets ASME standards. This 1727 series jobber drill bit has a bright (uncoated) finish, and has letter measurements. It is non-coolant through with a 4½ inch length. Plus it has two 2⅞ inch spiral flutes, a straight shank, and 118 Degrees 4 facet point drill point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.404 in
Material - MachiningCarbide
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2.875 in
Helix Angle10 Degrees /20 Degrees
Spiral DirectionRight Hand
Shank Dia.0.404 in
Overall Length4.5 in
Drill Length ClassJobber Length
Series1727
Aircraft DrillNo
Sheeter DrillNo
Material Grade - MachiningHeavy Duty
Primary Material Application ISO CodeK, N
Drill Bit SizeY
Measurement SystemLetter
Finish - MachiningBright (Uncoated)
Drill Bit Point Type4 Facet Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth0.303 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1.625 in
Depth:Dia. Ratio4xD
Drill Bit GroupingIndividual
StandardsASME B94.11M
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material ApplicationAlloy, Carbon Steel, Cast Iron, Aluminum, Stainless Steel
List Number1727
Country of OriginUnited States
(subject to change)