Walter-Prototyp
5/16-18 UNC HSS-E Spiral Point Tap, TiAlN - Walter-Prototyp 7557161
MFR# 7557161Series TC217
$70.11List $83.27
Save 15%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes3
Thread size5/16-18
CoatingTiAlN
Description
The Walter-Prototyp 7557161 is a 5/16-18 UNC HSS-E Spiral Point tap with a TiAlN finish. 3 flutes.
Specifications
ApplicationThrough-Hole Threading
ChamferPlug
Class of fit2B
Coating finishTiAlN
Coolant throughNo
Interrupted threadNo
MaterialHSS-E
Material applicationSteel; Stainless Steel; Cast Iron; Non-Ferrous Metal
Material gradeWY80RG
Measurement typeDecimal Inch
Neck length0.6690
Number of flutes3
Overall length3.543
OversizeNo
Shank diameter0.3180
Square size (mm)6.05
StyleSpiral Point
Threads per inch18
Thread directionRight Hand
Thread length0.7090
Thread pitch0.0556
Thread size in5/16-18
Thread standardUNC
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.