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McKaig-Hatch, Inc.


Table of Contents

Introduction


Company History

Currently we have very little information for McKaig-Hatch, but hope to fill in more details in the future.

The company is believed to have been founded in Buffalo, New York sometime before 1910, and at least one of the founders was likely Archibald McKaig, an inventor and former principal of the McKaig-Dorntge Drop Forging Company. A later advertisement lists the company address as 125 Skillen Street in Buffalo.

[1921 Advertisement for McKaig-Hatch Pliers]
1921 Advertisement for McKaig-Hatch Pliers. [External Link]

The advertisement at the left for McKaig-Hatch was published in the April 1921 issue of Forging and Heat Treating, a trade publication for the drop-forging industry. The text lists the company address as 1584 Niagara Street in Buffalo.

Much later in its history McKaig-Hatch began advertising in magazines such as Popular Mechanics. An ad for McKaig-Hatch, Inc. in the August 1950 issue of Popular Mechanics shows a selection of mechanic's tools, including an adjustable wrench, several styles of wrenches, pliers, and a hammer.


Patents

Table 1. McKaig-Hatch: Issued and Licensed Patents
Patent No.InventorFiledIssuedDescriptionExamples
629,045 A. McKaig09/10/189807/18/1899Adjustable Wrench  
1,698,474 H.J. Friedl05/16/192301/08/1929Chain Repair Pliers Chain Repair Pliers

Trademarks

No trademarks have been found for McKaig-Hatch.


Selected Tools

McKaig-Hatch Chain Repair Pliers

[McKaig-Hatch Chain Repair Pliers]
Fig. 1. McKaig-Hatch Chain Repair Pliers, ca. 1923-1929.

Fig. 1 shows a pair of McKaig-Hatch chain repair pliers, marked "McKaig-Hatch" and "Buffalo, N.Y." with a "Pat. Apld. For" notice.

The overall length is 9.4 inches, and the finish is plain steel.

These pliers were designed for repairing links in automobile tire chains.

The pending status refers to patent #1,698,474, filed by H.J. Friedl in 1923 and issued in 1929, with assignment to McKaig-Hatch.

McKaig-Hatch "Ford" 6 Inch Combination Pliers

[McKaig-Hatch Ford 6 Inch Combination Pliers]
Fig. 2. McKaig-Hatch "Ford" 6 Inch Combination Pliers, with Inset for Side View.

Fig. 2 shows a pair of McKaig-Hatch 6 inch combination pliers produced for Ford, marked with the Ford script logo forged into one handle, with the MH-Circle logo forged into the other.

The overall length is 6.6 inches, and the finish is plain steel.

McKaig-Hatch 6 Inch Combination Pliers

[McKaig-Hatch 6 Inch Combination Pliers]
Fig. 3. McKaig-Hatch 6 Inch Combination Pliers, with Inset for Handle Pattern.

Fig. 3 shows a pair of McKaig-Hatch 6 inch combination pliers, marked with the MH-Circle logo forged into the handle.

McKaig-Hatch 438 8 Inch Combination Pliers

[McKaig-Hatch 438 8 Inch Combination Pliers]
Fig. 4. McKaig-Hatch 438 8 Inch Combination Pliers, with Insets for Side View and Marking Detail.

Fig. 4 shows a pair of McKaig-Hatch 438 8 inch slip-joint combination pliers, stamped "McKaig-Hatch Inc." and "Buffalo, N.Y. U.S.A." in an outer circle with the MH-Circle logo in the center (see lower inset). The MH-Circle logo is also forged into each of the handles.

The overall length is 7.8 inches, and the finish is cadmium plating.

McKaig-Hatch 10 Inch Waterpump Pliers

[McKaig-Hatch 10 Inch Waterpump Pliers]
Fig. 5. McKaig-Hatch 10 Inch Waterpump Pliers, with Inset for Marking Detail.

Fig. 5 shows a pair of McKaig-Hatch 10 inch waterpump pliers, marked "McKaig-Hatch Inc." and "Buffalo, N.Y. U.S.A." with the MH-Circle logo.

The overall length is 10.0 inches, and the finish is plain steel.

McKaig-Hatch 5/16x11/32 Open-End Wrench

[McKaig-Hatch 5/16x11/32 Open-End Wrench]
Fig. 6. McKaig-Hatch 5/16x11/32 Open-End Wrench, with Inset for Reverse Detail.

Fig. 6 shows a McKaig-Hatch 5/16x11/32 open-end wrench, marked with "McKaig-Hatch, Inc" forged into the shank, with "Made in U.S.A." and the fractional sizes forged into the reverse.

The overall length is 3.3 inches, and the finish is plain steel.

McKaig-Hatch 15/16x1 Open-End Wrench

[McKaig-Hatch 15/16x1 Open-End Wrench]
Fig. 7. McKaig-Hatch 15/16x1 Open-End Wrench, with Inset for Reverse Detail.

Fig. 7 shows a McKaig-Hatch 15/16x1 open-end wrench, marked with "McKaig-Hatch, Inc." and the fractional sizes forged into the shank, with "Made in U.S.A." forged into the reverse.

The overall length is 9.5 inches, and the finish is plain steel.

McKaig-Hatch 1/2x9/16 Open-End Wrench

[McKaig-Hatch 15/16x1 Open-End Wrench]
Fig. 8. McKaig-Hatch 15/16x1 Open-End Wrench, with Inset for Reverse Detail.

Fig. 8 shows a McKaig-Hatch 1/2x9/16 open-end wrench identified by the MH-Circle logo forged into the shank. The shank has forged-in markings "Drop Forged" with the fractional sizes on the front, with "Made in U.S.A." forged into the reverse.

The overall length is 5.6 inches, and the finish is cadmium plating.

A forged-in code "1045" can be seen on the reverse shank at the left. This is believed to indicate the use of AISI 1045 manganese steel, a medium-carbon alloy with good hardening properties.

McKaig-Hatch 1559 7/8 Combination Wrench

[McKaig-Hatch 15/16x1 Open-End Wrench]
Fig. 9. McKaig-Hatch 1559 7/8 Combination Wrench, with Insets for Side View and Reverse Detail.

Fig. 9 shows a McKaig-Hatch 1559 7/8 combination wrench, marked with "Drop Forged" and the MH-Circle logo forged into the shank, with the model number and "Made in U.S.A." forged into the reverse.

The overall length is 11.4 inches, and the finish is cadmium plating.

The reverse shank is also marked with a forged-in code "1045" visible at the right. This is believed to indicate the use of AISI 1045 carbon-manganese steel, a medium-carbon tool steel with good hardening properties.


McKaig-Hatch 204 4 Inch Adjustable Wrench

[McKaig-Hatch 204 4 Inch Adjustable Wrench]
Fig. 10. McKaig-Hatch 204 4 Inch Adjustable Wrench, with Inset for Reverse Detail.

Fig. 10 shows a McKaig-Hatch 204 4 inch adjustable wrench, marked with "McKaig-Hatch Inc." forged into the shank, with the model number and "Forged in U.S.A." on the reverse.

The overall length is 4.3 inches.


McKaig-Hatch 6 Inch Adjustable Wrench

[McKaig-Hatch 6 Inch Adjustable Wrench]
Fig. 11. McKaig-Hatch 6 Inch Adjustable Wrench, with Insets for Side View and Reverse Detail.

Fig. 11 shows a McKaig-Hatch 6 inch adjustable wrench, marked with "Mfd. by McKaig-Hatch Inc." and "Buffalo, N.Y." forged into the shank, with "Forged Steel" and "Made in U.S.A." forged into the reverse.

The overall length is 6.3 inches and the maximum opening is 0.8 inches. The head thickness was measured at 0.40 inches.

The finish is plain steel with traces of cadmium plating.

McKaig-Hatch 12 Inch Adjustable Wrench

[McKaig-Hatch 12 Inch Adjustable Wrench]
Fig. 12. McKaig-Hatch 12 Inch Adjustable Wrench, with Insets for Side View and Reverse Detail.

Fig. 12 shows a McKaig-Hatch 12 inch adjustable wrench, marked with "Mfd. by McKaig-Hatch Inc." and "Buffalo, N.Y." forged into the shank, with "Forged Steel" and "Made in U.S.A." forged into the reverse.

The overall length is 12.2 inches and the maximum opening is 1.4 inches. The maximum head thickness was measured at 0.71 inches.

The finish is cadmium plating.

McKaig-Hatch 9/16 Combination Wrench

[McKaig-Hatch 9/16 Combination Wrench]
Fig. 13. McKaig-Hatch 9/16 Combination Wrench, with Inset for Reverse Detail.

Fig. 13 shows a McKaig-Hatch 9/16 combination wrench, marked with "McKaig-Hatch Inc." and the fractional size stamped on the raised panel, with "Forged Alloy U.S.A." on the reverse panel.

The overall length is 6.9 inches, and the finish is cadmium plating.

McKaig-Hatch 301 Brake Adjusting Spoon

[McKaig-Hatch 301 Brake Adjusting Spoon]
Fig. 14. McKaig-Hatch 301 Brake Adjusting Spoon, with Insets for Side View and Reverse Detail.

Fig. 14 shows a McKaig-Hatch 301 brake adjusting spoon, marked with "McKaig-Hatch Inc." and the model number forged into the shank, with "U.S.A." forged into the reverse.

The overall length is 7.8 inches, and the finish is chrome plating.


References and Resources

Photographs and observations of particular tools are based on items in the Alloy Artifacts collection.


Catalog Coverage

Currently we don't have any catalogs for McKaig-Hatch.


Patents and Trademarks

Patent and trademark information was obtained from the U.S. Patents and Trademarks Office (USPTO) web site at uspto.gov. Patent documents were obtained from sites offering free downloads, notably freepatentsonline.com.


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