---
product_id: 56695354
title: "#4-40 UNC Class 2B Taperlock Thread Plug Gage Set"
brand: "truthread sizemasters"
price: "$199.21"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/56695354-4-40-unc-class-2b-taperlock-thread-plug-gage-set
store_origin: US
region: United States of America
---

# #4-40 UNC Class 2B Taperlock Thread Plug Gage Set

**Brand:** truthread sizemasters
**Price:** $199.21
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** #4-40 UNC Class 2B Taperlock Thread Plug Gage Set by truthread sizemasters
- **How much does it cost?** $199.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/56695354-4-40-unc-class-2b-taperlock-thread-plug-gage-set)

## Best For

- truthread sizemasters enthusiasts

## Why This Product

- Trusted truthread sizemasters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Taperlock Thread Plug Gage Double-End Set for inspecting the pitch diameter and functional thread for internal threaded products. All gage sets include Go Member, NoGo Member and Handle marked with nominal size, class of fit and pitch diameters. All gage members are serialized and include a printed Certificate of Calibration.

## Features

- Make sure this fits by entering your model number.
- Gage size: #4; Threads per inch: 40
- Series: UNC; Class: 2B
- Taperlock Thread Plug Gage Double-End Set
- Go Pitch Diameter: 0.0958"; NoGo Pitch Diameter: 0.0991"
- Material: 01 Tool Steel 60-62 RC; Class X Tolerance, includes Long Form Certificate

## Images

![#4-40 UNC Class 2B Taperlock Thread Plug Gage Set - Image 1](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/41NJuyUlaTL.jpg)
![#4-40 UNC Class 2B Taperlock Thread Plug Gage Set - Image 2](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/41x3rojAkAL.jpg)

---

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-12*