Skip to product information
1 of 5


SIDE 1 Heavy Hex Inch - SIDE 2 SAE Inch

SIDE 1 Heavy Hex Inch - SIDE 2 SAE Inch

Regular price $19.99 USD
Regular price Sale price $19.99 USD
Sale Sold out

The front side is Heavy Hex inches. The back side is SAE & common sizes in inches.

It measures both the stud and nut sizes

Introducing the High Heat HexSizer® - the ultimate tool for identifying nut and bolt sizes in high-heat environments. With the ability to withstand temperatures up to 1200°f/649°c, this tool is perfect for steamfitters and those working on live process units, heat exchangers, insulated piping, and more.

Made from durable 6061 aluminum, the HexSizer is anodized blue and laser engraved for added resilience. The clear sheath packaging also includes a detachable black tether for easy carrying on the job. Say goodbye to guessing and frustration, and hello to quick and accurate nut and bolt identification with the HexSizer. It's a must-have tool for any Professional Bolting Technician.


NUT SIZE TO 4-5/8" or 120mm
Physical Size Dimensions:
2” X 3.375”

Read Range Min/Max:
1-1/16” to 4-5/8”
32mm to 120mm

5/8” to 3”
22mm to 76mm

Fits best on your lanyard or into a wallet (credit card size).

A hole for a tether or lanyard
Easy to nest nut into the correct corner
Lines show ONLY Heavy Hex Sizes
Shows the corresponding stud to nut sizes

Included Accessories:
Detachable Teather (Included)
Clear Vinyl Sleeve (Included)

6061 Aluminum



Free 1st Class USPS - Orders under 35.00 - Contiguous USA

Free Priority Mail - Orders over 35.00

Free USPS International Shipping - Orders under 75.00 - 150.00

Free Expedite Internationl Shipping - Orders over 150.00

Care Instructions

To keep a new look, remove dirt and grit before storing.

View full details