
Walter-Prototyp
7/8-9 UNC Cobalt Tap, TiAlN - Walter-Prototyp 7557026
MFR# 7557026Series TC117
$216.97List $268.92
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Flutes4
Thread size7/8-9
CoatingTiAlN
Description
The Walter-Prototyp 7557026 is a 7/8-9 UNC Cobalt tap with a TiAlN finish. 4 flutes.
Specifications
ApplicationBlind Hole Threading
ChamferModified Bottoming
Class of fit2B/3B
Coating finishTiAlN
Coolant throughNo
Flute directionRight Hand
Flute styleSpiral
Helix angle40
MaterialCobalt
Material applicationCast Iron; Non-Ferrous Metal; Stainless Steel; Steel
Material gradeWY80RG
Number of flutes4
Overall length (mm)140.00
OversizeNo
Primary workpiece materialSteel; Stainless Steel; Cast Iron; Aluminum & Non-Ferrous
Shank diameter0.6970
Square length0.7500
Square size0.5230
Tapping depth3.5830
Threads per inch9
Thread directionRight Hand
Thread length0.9840
Thread size in7/8-9
Thread standardUNC
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