Precision Twist Drill
#27 Cobalt Drill Bit, Straw, 135° point - Precision Twist Drill 5997727
MFR# 5997727Series R10CO-R15CO-R18CO
$3.98List $5.02
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 →
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
CoatingStraw
Description
The Precision Twist Drill 5997727 is a #27 Cobalt drill bit with a Straw finish, 135° point. Suited for steel. 1-7/8 flute length, 3 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 size0.1440
Drill bit size range0.1000 - 0.1500
Drill bit size wire#27
Drill point angle degrees135
Flute by diameter ratio13xD
Flute length in1-7/8
Flute typeRegular Spiral
Maximum drilling depth in1-7/8
Number of flats0
Number of flutes2
Overall length in3
Point typeStandard
Primary workpiece materialSteel
Shank diameter0.1440
Shank length in1-1/8
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.