Dormer Pramet
1/4-20 UNC Tap, SUPER-B - Dormer Pramet 7350340
MFR# 7350340Series E812
$68.20List $87.46
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes3
Thread size1/4-20
CoatingSUPER-B
Description
The Dormer Pramet 7350340 is a 1/4-20 UNC tap with a SUPER-B finish. 3 flutes.
Specifications
ApplicationBlind Hole Threading
ChamferSemi-Bottoming
Class of fit2B; 3B
Coating finishSUPER-B
Coolant throughYes
Flute directionRight Hand
Flute styleSpiral
Helix angle40
Material applicationStainless Steel
Number of flutes3
Overall length3.1500
OversizeNo
Shank diameter0.2550
Shank length0.3100
Square length0.3100
Square size0.1890
Tapping depth0.9840
Threads per inch20
Thread directionRight Hand
Thread length5.1000
Thread limitH3
Thread size in1/4-20
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.