Mitutoyo 139-182 Inside Micrometer Extension Rod Type 4 - 84" .001in

Mitutoyo 139 Series Inside Micrometer

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

by Mitutoyo

$1,600.00

Quantity

FREE SHIPPING UP TO 70 LBS

ALWAYS TAX FREE

PRICE MATCH GUARANTEE

EASY 30-DAY RETURN

Have questions about this product?

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 FREE on all orders under 70 pounds shipped to the continental USA.

Freight shipping will be charged on larger, heavier items.

Why Buy From Us

Shipping is FREE on all orders under 70 pounds shipped to the continental USA.

Freight shipping will be charged on larger, heavier items.

Price Match Guarantee.

Best prices online guaranteed.

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

Free 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.

Mitutoyo 139 Series Inside Micrometer

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

Micrometer Head only

4" - 20"

139-178

1", 2", 4", 8"

4" - 36"

139-179

1", 2", 4", 8", 16"

4" - 52"

139-180

1", 2", 4", 8", 16" (2 pcs.)

4" - 68"

139-181

1", 2", 4", 8", 16" (3 pcs.)

4" - 84"

139-182

1", 2", 4", 8", 16" (4 pcs.)

Mitutoyo 139 Series Inside Micrometer

Notify me when back in stock

Mitutoyo 139 Series Inside Micrometer

Mitutoyo 139 Series Inside Micrometer

Key Features

Specifications

Items Included

Customers are saying

Mitutoyo 139 Series Inside Micrometer

Key Features

Specifications

Items Included