Special Order Details Available for Backorder
Part Number: 4087 UPC: 098584001179 Weight: 0.92


Dedicated Functions:

• Speeds and Feeds - Calculate for Milling, Turning and Drilling; Spindle Speed (RPM), Feed Rate (IPM), Cut Speed, Cut Feed, Feed per Tooth

• Thread Size - Enter numeric, fractional or metric thread sizes and display tap, roll tap, close and free fit drill sizes. Display pitch, major and minor diameters

• Drill Point - Enter the cutting angle and Drill Size and calculate the Drill Point cut depth

• Drill Size - Enter numeric, letter, fractional or metric Drill Size and display the closest fitting Drill Size and scroll through available drill sizes

• 3-Wire Measure - Enter Wire Size (or use calculated Best Wire size) and 3-Wire Measurement to calculate pitch diameter

• Trigonometric Functions - Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent

• Right Triangle Math - Enter, calculate Angle, Hypotenuse, Opposite and Adjacent side lengths

Additional Features:

• Thread Classification Tables

o U.S. Internal (3) 1B, 2B, 3B

? External (3) 1A, 2A, 3A

o Metric Internal (14) 3G-9G and 3H-9H

? External (28) 3g-9g, 3h-9h, 3e-9e, 3f-9f

• U.S. and Metric Unit Entries and Conversions

o Decimal Inches/mils

o Feet-Inch-Fractions

o m, mm, cm

o Area, Volume and Weight

• Works as a Standard Calculator


• Rugged, shock-, moisture- and dust-resistant Armadillo Gear case

• Quick Reference Guide and complete, easy-to-follow User Guide

• Two 1.5 volt LR-44/A76 Long-life Batteries

• Full One-Year Limited Warranty

Customer Reviews