Precision Twist Drill
1/2" High Speed Steel Drill Bit, Steam Oxide, 135° point - Precision Twist Drill 5997604
MFR# 5997604Series R10B-R15B-R18B
$15.11List $19.38
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Drill size1/2
Flutes2
CoatingSteam Oxide
Description
The Precision Twist Drill 5997604 is a 1/2" High Speed Steel drill bit with a Steam Oxide finish, 135° point. Suited for steel, stainless steel, cast iron, non-ferrous metal, superalloys & titanium, hard material. 4-1/2 flute length, 6in overall length. Series R10B-R15B-R18B.
Specifications
Coating finishSteam Oxide
Coolant throughNo
Cutting directionRight Hand
Double marginNo
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size in1/2
Drill bit size range0.5000 - 0.6500
Drill point angle degrees135
Flute by diameter ratio9xD
Flute length in4-1/2
Flute typeSpiral
Maximum drilling depth in4-1/2
Number of flats0
Number of flutes2
Overall length in6in
Point typeStandard
Primary workpiece materialSteel; Stainless Steel; Cast Iron; Non-Ferrous Metal; Superalloys & Titanium; Hard Material
Shank diameter in1/2in
Shank length in1-1/2in
Shank typeStraight-Cylindrical
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.