4-40 H2 3FL SEMI-BTM HY-PRO SO TAP

4-40 H2 3FL SEMI-BTM HY-PRO SO TAP

OSG2906401 2906401
26.28 / EA
http://schema.org/OutOfStock
  • Chamfer: Semi-Bottoming
  • Class of Fit: H2
  • Hand Direction: Right Hand
  • Material: HSS-E
  • Number of Flutes: 3
  • Overall Length Decimal Inch: 1.875
  • Overall Length Fractional Inch: 1-7/8
  • Overall Length Metric: 47.625
  • Series: 290
  • Shank Diameter Decimal Inch: 0.141
  • Shank Diameter Fractional Inch: 9/64
  • Surface Treatment: Steam Oxide
  • Thread Length Decimal Inch: 0.5625
  • Thread Length Fractional Inch: 9/16
  • Thread Limit: H2
  • Thread Size: #4-40
  • Thread Standard: UNC
  • Through Coolant (Yes/No): No
  • Applicable Materials: Alloy Steel, Carbon Steel, Cast Iron, Die Steel, Hardened Steel and Stainless Steel
  • Flute Direction: Right Hand
  • Has Attributes: Yes
  • Has Image: Yes
  • System of Measurement: Imperial
QTY
  • Application
  • Item Features
  • Standards
  • Recommended Speeds
For blind hole applications
  • The original "Do It All" spiral point tap, good for all materials
ANSI Specified|PROP65: When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Workpiece materialSuitabilityCutting speed (SFM)
P — Steel
Alloy Steels: 4140; 4340Best40 – 80
High Carbon Steel: 1065Best40 – 60
Medium Carbon Steel: 1035; 1045Best40 – 80
Die SteelsGood20 – 60
Low Carbon Steel: 1010; 1018Good50 – 90
M — Stainless Steel
Stainless Steels: 17-4PHGood30 – 50
Stainless Steels: 300Good40 – 80
Stainless Steels: 400Good40 – 80
K — Cast Iron
Cast IronGood30 – 80
H — Hardened Steel
Hardened Steels: 35 HRCGood20 – 60

Speeds and suitability ratings supplied by OSG for the HY-PRO SFT series. Starting values — adjust for your setup, coolant and workholding rigidity.