Clifton Shoulder Rebate Plane - No. 420

clifton plane 420
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Clifton 420 Review By: I.Ball

Category: Shoulder Planes

Manufacturer: Clifton

Plane Type: Shoulder Rebate

Model No: 420

This Clifton shoulder plane review is of the current Clifton 420 plane manufactured by Thomas Flinn & Co, Sheffield, England.

The plane had previously been made by a tool company called Clico (Sheffield) Tooling Ltd until 2014 when Thomas Flinn and Co took on the Clifton tools part of the business.

The Thomas Flinn version of the 420 is made in almost identical circumstances to the Clico version including being made by the same skilled personnel:

“We will still be using the same great production staff to manufacture the Clifton planes, so the knowledge and expertise will continue as before”.

Please see the old Clifton 420 plane review for more information about the Clico (Sheffield) Tooling Ltd Clifton shoulder plane number 420 (virtually identical other than the box).

Note: the photos currently shown on this review are of the old Clifton 420 plane with the blue box.

clifton 420 plane

The Clifton plane 420 is an 8" (200mm) adjustable shoulder rebate plane with a fixed nose / mouth.

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

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 offering added comfort.

The Clifton 420 shoulder rebate 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 420 plane blade. The cutting edge is 3/4" (19mm) 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 420 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 is presented in a brown Clifton cardboard box with the Clifton logo on it.

The Clifton 420 shoulder plane is based on the Record 042 shoulder plane which was produced by Record in the 1930’s – 1970’s.

Cautions / Notes

* Important: please refer to the 'disclaimer' at the foot of this review.

- The blade cutter is very sharp, take suitable precautions when using/handling/storing the plane/cutter to prevent injury.

- Failure to loosen parts when making adjustments to the plane can result in damage to the plane such as cross-threading screw threads. Never force a part to move.

- Overtightening parts can cause damage to the plane and the plane threads.


Plane Construction

clifton 420 plane

Body: grey cast iron

Lever cap: unbreakable malleable iron

Plane finish: bright ground

Clifton 420 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): 19mm (3/4 inch)

Top Of Blade Shape: Squared, with open window slot

clifton 420 plane

Clifton 420 Plane Markings

"Clifton, England" - located on both the right and left hand side towards the front inside the meshed oval.

"420" - located on one side towards the back.


Plane Dimensions

Width: 19mm (3/4 inch)

Length: 200mm (8 inch)

Weight: 1100g (2 1/2lb)


Manufactured Dates

2014 - Today


Plane Also Known As

Clifton 420 rabbet plane
Clifton 420 shoulder rabbet plane


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- Thomas Flinn & Co.


(i) Please always refer to and follow the manufacturer’s instructions / guidelines / safety notices / cautions and similar notices as the manufacturer’s instructions may contain important information on your safety and the good health of your tool, something to which this review's scope does not guarantee to extend to.
(ii) This review may give warning(s) / advisory notes / cautions / guidelines given in good faith however any such information should not be solely relied upon and seen as the exhaustive list of warnings / advisory notes / cautions / guidelines. Always refer to disclaimer note (i) as the definitive source for information on your safety and the good health of your tool.

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