Call/Text For Fast and Free Shipping! - 617-398-7852
Call/Text For Fast and Free Shipping! - 617-398-7852
Skip to content
Mitutoyo 139-182 Inside Micrometer Extension Rod Type 4 - 84" .001in

Mitutoyo 139 Series Inside Micrometer

by Mitutoyo
Have a question?

Call/Text Gustavo before you buy.

I personally review every order and I'm happy to answer questions about compatibility, specs, or lead times. Don't guess - let's get it right the first time.

617-398-7852 support@precisionengineeringsupply.com
Gustavo
Founder, Precision Engineering Supply
Available Mon – Fri
Authorized Dealer
100% Authentic Products
Fast Shipping
Most Products Ship Same day
Easy Returns
30-Day Return Policy (Excludes Made To Order Items)
Secure Checkout
SSL Encrypted Payment
$1,600.00
  • Accurate mechanical measurement of internal diameters
  • Easy-to-read graduations
  • Hardened measuring faces
  • Smooth micrometer action
  • Extension rods
  • Ideal for machining, inspection, and toolroom applications
Customers rate us 4.5/5 based on 49 reviews.

Mitutoyo 139 Series Inside Micrometer

$1,600.00

Description

Mitutoyo 139 Series Inside Micrometer

The Mitutoyo 139 Series Inside Micrometer is a precision mechanical measuring instrument designed for accurate internal diameter measurement of holes, grooves, and recesses. Featuring a smooth micrometer mechanism and hardened measuring faces, the 139 Series provides reliable, repeatable measurements across a wide range when used with extension rods. Its robust construction and straightforward operation make it a trusted choice for machine shops, inspection departments, and toolrooms.

 

Key Features

  • Mechanical inside micrometer for precise internal measurements
  • Interchangeable extension rods cover a wide measuring range
  • Smooth thimble operation for fine measurement control
  • Hardened measuring faces for long-term accuracy
  • Clear, easy-to-read barrel graduations
  • Durable construction suitable for shop-floor use

 

Specifications

Inch - Extension Pipe Type
Range SKU Travel of Micrometer Head Extension Pipes
4" - 5" 139-002 1" Micrometer Head only
4" - 20" 139-178 1" 1", 2", 4", 8"
4" - 36" 139-179 1" 1", 2", 4", 8", 16"
4" - 52" 139-180 1" 1", 2", 4", 8", 16" (2 pcs.)
4" - 68" 139-181 1" 1", 2", 4", 8", 16" (3 pcs.)
4" - 84" 139-182 1" 1", 2", 4", 8", 16" (4 pcs.)

 

Items Included

  • Mitutoyo 139 Series Inside Micrometer head
  • Extension rods
  • Lock nut and spindle assembly
  • Protective fitted storage case
  • Manufacturer documentation
Shipping

Shipping is FAST & FREE on all orders shipped to the continental USA.

Why Buy From Us

Shipping is FAST & FREE on all orders shipped to the continental USA.

Best Price Guarantee. 

30 Day Easy Returns. 

Se Habla Español - Falamos Português

Pricing

We will beat ANY price found online! Reach out to us for more information by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com.

Returns

Easy 30 day returns! We pride ourselves in helping you with your needs Please reach out by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com to start your return.

Financing

Enjoy flexible payment options with Affirm. Split your purchase into easy, interest-free installments or choose a financing plan that fits your budget — all available directly at checkout.

Customers are saying

4.51 ★ (49)
Verified
Have a question?

Call or Text Gustavo Before You Buy!

Every order gets my personal attention. Call before you buy and I'll make sure it's the right fit and the right price!

(617) 398-7852 support@precisionengineeringsupply.com
Gustavo
Founder and CEO
Available Mon – Fri
Description

Mitutoyo 139 Series Inside Micrometer

The Mitutoyo 139 Series Inside Micrometer is a precision mechanical measuring instrument designed for accurate internal diameter measurement of holes, grooves, and recesses. Featuring a smooth micrometer mechanism and hardened measuring faces, the 139 Series provides reliable, repeatable measurements across a wide range when used with extension rods. Its robust construction and straightforward operation make it a trusted choice for machine shops, inspection departments, and toolrooms.

 

Key Features

  • Mechanical inside micrometer for precise internal measurements
  • Interchangeable extension rods cover a wide measuring range
  • Smooth thimble operation for fine measurement control
  • Hardened measuring faces for long-term accuracy
  • Clear, easy-to-read barrel graduations
  • Durable construction suitable for shop-floor use

 

Specifications

Inch - Extension Pipe Type
Range SKU Travel of Micrometer Head Extension Pipes
4" - 5" 139-002 1" Micrometer Head only
4" - 20" 139-178 1" 1", 2", 4", 8"
4" - 36" 139-179 1" 1", 2", 4", 8", 16"
4" - 52" 139-180 1" 1", 2", 4", 8", 16" (2 pcs.)
4" - 68" 139-181 1" 1", 2", 4", 8", 16" (3 pcs.)
4" - 84" 139-182 1" 1", 2", 4", 8", 16" (4 pcs.)

 

Items Included

  • Mitutoyo 139 Series Inside Micrometer head
  • Extension rods
  • Lock nut and spindle assembly
  • Protective fitted storage case
  • Manufacturer documentation
Shipping

Shipping is FAST & FREE on all orders shipped to the continental USA.

Why Buy From Us

Shipping is FAST & FREE on all orders shipped to the continental USA.

Best Price Guarantee. 

30 Day Easy Returns. 

Se Habla Español - Falamos Português

Pricing

We will beat ANY price found online! Reach out to us for more information by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com.

Returns

Easy 30 day returns! We pride ourselves in helping you with your needs Please reach out by calling at (617) 398-7852 or emailing us at support@precisionengineeringsupply.com to start your return.

Financing

Enjoy flexible payment options with Affirm. Split your purchase into easy, interest-free installments or choose a financing plan that fits your budget — all available directly at checkout.