Trimo Alloy 10-Inch Pipe Wrench

Trimont Manufacturing Company (TRIMO) · Tools & Hardware > Antique Hand Tools

Trimo Alloy 10-Inch Pipe Wrench

Era / Decade

1930s-1940s

Material

Forged Trimo Alloy Steel with a knurled adjustment nut. High-carbon steel jaw teeth.

Condition

Fair to Good (Vintage). Significant surface rust and patina are present. The teeth show some wear but remain functional. The mechanical adjustment nut appears movable but may need lubrication.

Demand Level

Moderate (Niche). High demand among vintage tool restorers and 'Made in USA' enthusiasts, but low demand as a daily-use tool compared to lightweight modern aluminum versions.

Resale Value

Estimated Resale Value

$15.00 - $35.00

Estimated Retail Value

$45.00 - $60.00 (comparable modern professional-grade USA-made pipe wrench)

Comparable Sales

Recent eBay sales for 10-inch Trimo wrenches in similar uncleaned condition range from $12 to $22 plus shipping. Fully restored or cleaned examples can reach $35 to $45.

Description

Vintage 10" Trimo Alloy heavy-duty pipe wrench manufactured by the Trimont Mfg. Co. in Roxbury, Mass., USA. This tool features the classic drop-forged construction with the 'TRIMO ALLOY' and Roxbury location stamps clearly visible. Known for their 'nut guards' which protected the adjustment nut from accidental rotation, these wrenches are a staple of American industrial history. Length is 10 inches, making it a versatile size for both collectors and users.

Key Features

Made in Roxbury, MASS, USA; forged alloy steel construction; highly visible historical maker's marks; collectible 'TRIMO' brand name; functional tool-box size.

Authenticity Indicators

Deeply embossed 'TRIMONT MFG CO ROXBURY MASS USA' and 'TRIMO ALLOY' stamps on the handle and frame. Construction is consistent with mid-century mass-produced industrial tools. Authenticity confidence: High.

Flaws to Note

Extensive surface oxidation (rust) that can be removed with Evapo-Rust or a wire brush; minor pitting in the metal; wear to the sharpness of the jaw teeth; general grime from decades of storage.

Selling Guide

Where to Sell

eBay is the best platform for reaching tool collectors. Etsy is suitable if marketed as industrial decor. Facebook Marketplace is viable for a quick local sale to a hobbyist without shipping costs.

Selling Tips

Do not over-clean the item; many collectors prefer the original patina. Use keywords like 'Vintage,' 'Industrial,' 'Roxbury Mass,' and 'Forged.' If shipping via eBay, use a USPS Flat Rate Padded Envelope to keep costs low, as the item is heavy for its size.

Appraised on 6/3/2026