Precision Twist Drill
19/64" Cobalt Drill Bit, Straw, 135° point - Precision Twist Drill 5998148
MFR# 5998148Series R10CO-R15CO-R18CO
$10.64List $13.41
Save 20%
Usually ships in 1-3 business days
Ship times are estimates. We confirm availability on every order and email you right away if anything changes.
⚡ Need it urgently? Confirm stock & ship time →
Request a quote- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Drill size19/64
Flutes2
CoatingStraw
Description
The Precision Twist Drill 5998148 is a 19/64" Cobalt drill bit with a Straw finish, 135° point. Suited for steel. 3-1/16 flute length, 4-3/8 overall length. Series R10CO-R15CO-R18CO.
Specifications
Coating finishStraw
Coolant throughNo
Cutting directionRight Hand
Double marginNo
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size in19/64
Drill bit size range0.2500 - 0.3000
Drill point angle degrees135
Flute by diameter ratio10xD
Flute length in3-1/16
Flute typeRegular Spiral
Maximum drilling depth in3-1/16
Number of flats0
Number of flutes2
Overall length in4-3/8
Point typeStandard
Primary workpiece materialSteel
Shank diameter in19/64
Shank length in1-5/16
Shank typeStraight
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsANSI
Tool applicationDrilling
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
Can't find your exact tool?Send us a part number — we'll cross-reference it.
Dull tools?Regrinding extends tool life and saves cost.
Alternate & equivalent tools
Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.
Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.