# WS Drill Bits

> Education

Canonical page: [https://chrome-stats.com/d/id1453137463](https://chrome-stats.com/d/id1453137463)

## Overview

- **ID:** `id1453137463`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Rein Rapp
- **Category:** Education
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.1
- **Last updated:** 2020-06-21
- **First published:** 2019-02-16
- **Size:** 57 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ws-drill-bits/id1453137463)
- **Privacy policy:** [https://www.engineersblackbook.com/index.php?app=contact](https://www.engineersblackbook.com/index.php?app=contact)

## Description

Workshop (WS) Drill Bits

Is a full functioning Drill Bit Calculator simply designed for the Machinists Workshop,
Designer's and Manufacturing Personel.
Contains the following three functions:

1) A vertical scrolling Drill Size and Decimal Equivalent Chart. 
   *From 0.1mm(0.00394 Inch) to 101.6mm(4.0 Inches)
   *Offers Fast Vertical Scrolling
   *Inch Fractions are highlighted in Blue 
   *Metric Numbers are highlighted in Red
   *Gage/Letter Numbers are also listed 
   *Inch Fractions values are also listed.
   *A sliding scale allows you to jump to any point on the list fast.(Separately for both mm and inch values)

2) Twist Drill Speeds and Feeds
   *Calculates recommended Drill Speeds and Feed Rates for various materials:
   *Option to enter in either Metric or Inch size Drills
    -Aluminium
    -Brass
    -Bronze
    -Cast Iron
    -Hastelloy
    -Inconel
    -Magnesium
    -Monel
    -High Nickel Steel
    -Free Cutting Steel
    -Mild Steel
    -Steel
    -Tool Steel
    -Forgings
    -Alloys
    -Heat Treated Steels
    -Stainless Steels
    -Titanium
    -Wood and Plastics

3) Drill Point Depth Calculator
   *Calculates the Drill Point Depth for various Drill Point Angles (60',82',90',118',120',135')
   *Option to enter in either Metric or Inch size Drills.

## Rankings

- #635,880 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1453137463)