Marples Jack Plane - No. M5

marples jack plane
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Review By: I.Ball

Category: Old Jack Planes

Manufacturer: Marples

Plane Type: Jack

Model No: M5

The William Marples jack plane number M5 is a heavy, thick bodied plane with a thicker cast than most other similar number 5 planes.

The plane is fitted with a Beech rear handle, a Beech front knob, a 'Marples' lever cap, a cap iron and a Marples blade. The blade rests on a flat faced frog.

The cap iron for these Marples bench planes have a piece at the top set at an angle with the wording on the cap iron saying ‘Correct Angle For Grinding’.

As you may have guessed the angle at which the top of the cap iron is set is intended as a guide for when sharpening the blade. The design of these cap irons I believe is unique (there are similar).

The plane is finished with the Marples red japanning. Other planes which have a similar red finish include I.Sorby planes and Rapier planes.

Originally the William Marples M 5 plane had a trade label on top of the rear handle. These have quite often disappeared or partially disappeared through the planes history of use.


Additional Information

The Bodies, Frogs and Lever Caps are made of high grade Cast Iron and the Lever Caps are Plated.

The Positive Cutter Adjustment, together with the Adjustable Frog make accurate work easy to perform.

The handles are of Selected Hardwood and the Cutting Iron of heat treated Tungsten Vanadium Steel retains its fast cutting edge on the hardest of timbers.


Plane Construction

marples plane parts

Width: 60mm

Length Of Sole: 350mm

Mouth Width: 54mm

Cast Thickness: 3mm

Body and Frog: high grade cast iron

Lever Cap: high grade cast iron and plated

Handle and Knob: wooden, usually Beech

Plane finish: red

Marples M5 Plane Blade / Cutter

Blade: Tungsten Vanadium Steel

Width: 51mm (2 inch)

Blade Thickness: 2mm

Slot Length: 109mm

Slot Width: 6.5mm

Top Of Blade Shape:: Squared

Blade Markings: W. Marples & Sons, Sheffield England, Solid Crucible Steel


Plane Markings

"Marples" - found on the top face at the very front.

"M5, Sheffield" - found on the top face at the front, behind the knob.

"England" + Shamrock Symbol - found on the top face at the rear end, between the handle and frog.

"Marples" - found on the lever cap face.

"Marples, Sheffield Eng" (in a circular motion around the Shamrock symobl) - found on the trade label on top of the rear handle.


Manufactured Dates

..1937 - 1965..


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