Clifton Bullnose Plane - No. 770

clifton 770 bullnose plane
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The Verdict

Clifton 770 Review By: I.Ball


Manufacturer: Clico [Sheffield] Tooling Ltd

Plane Type: Bullnose

Model No: 770

This is a review of the old Clifton plane number 770 produced by Clico [Sheffield] Tooling Ltd of Fell Road Industrial Estate, Sheffield, England.

The Clifton 770 was manufactured by Clico until 2014 when the Clifton range, including the Clifton 770 bull-nose plane, was taken over by the British saw maker, Thomas Flinn & Co. who are also a Sheffield based tool company. The Clifton 770 bull-nose plane is still available to buy new today from various tool shops.

Please see the new Clifton 770 plane review for more information about the 770 produced by Thomas Flinn & Co.

The Clifton 770 bull-nose plane is a 4" (102mm) adjustable, fixed nose bull-nose rebate plane.

The one-piece plane body is constructed from quality grey cast iron with the sides and sole being precision ground.



clifton 770 plane

The plane can be used left or right handed and can be laid perfectly flat and used on either of its sides to trim rebates, shoulder lines and tenons.

The plane has curved areas on top of the plane and finger imprints on the plane sides offering added comfort and control.

The Clifton 770 bull-nose plane is equipped with a blade adjusting mechanism. The blade adjuster control is located at the rear of the plane in the form of a knurled nut. The adjuster is used to control the depth at which the blade will cut.

The plane is fitted with a shouldered high carbon Clifton 770 plane blade. The cutting edge is 1 1/8" (290mm) wide with a bevel edge. The top of the blade has a slot to allow the blade adjuster to locate with the blade. The blade sits in the plane with the bevel edge side facing upwards.


clifton 770 plane

The blade is held firmly in place with the use of the securing cap / lever cap. The cap locks the blade in place by locating the securing cap into the two notches in the plane body and then turning until tight the knurled securing wheel located on the underside of the securing cap. The securing cap is constructed with unbreakable malleable iron.

The plane was presented in a dark blue Clifton cardboard box with white writing detailing the plane details.

The Clifton 770 bullnose plane is a modification of two similar planes produced in the first half of the 20th century:

The Edward Preston bullnose plane 1355, was produced in the first 30 years of the 20th century.

The Record 077 bullnose plane, was produced by Record in the 1930s.


1.

Plane Construction

clifton 770 plane

Body: grey cast iron

Lever cap: unbreakable malleable iron

Plane finish: polished bright finish


Clifton 770 Plane Blade / Cutter

Material: High Quality Oil Hardened Tool Steel

Hardness: 59-61 Rockwell C

Cutting Edge Grind (Primary): 25 degrees

Cutting Edge Grind (Secondary): 30 degrees

Width (bottom): 29mm (1 1/8 inch)

Top Of Blade Shape: Squared, with open window slot

Blade Markings: "Clifton 770, Sheffield Made In England"

Clifton 770 Plane Markings

No markings


2.

Plane Dimensions

Length:
102mm (4 inch)

Width:
29mm (1 1/8 inch)

Weight:
570g (1 1/4lb)

3.

Manufactured Dates

1910? - 2014

4.

Plane Also Known As

Clifton 770 rebate plane
Clifton 770 rabbet plane
Clifton 770 one-piece bull nose plane

5.

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