Stanley Block Plane - No. 9 1/2

stanley block plane 9 1/2
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Stanley 9 1/2 Review By: I.Ball

Manufacturer: Stanley

Plane Type: Block

Model No: 9 1/2

The Stanley block plane number 9 1/2 is a 6 inch long block plane made with a grey cast iron body, a hooded lever cap, a brass (or alloy) front knob, an adjustable mouth, a lateral blade adjuster and a brass depth adjusting wheel nut.

The body has a black jappaned finish on the top-side, as standard for Stanley planes. The sides and sole of the plane are machined and ground to be flat and true. The centre of the sides also have an oval shaped indentation either side to act as additional finger grips.

The 9 1/2 plane has a 1 5/8 inch blade which sits on a 20 degree bed.

stanley 9 1/2 plane

The Stanley 9 1/2 plane blade has a series of grooves on the rear side of the blade, towards the top end which locate into the lateral blade adjuster mechanism.

Once the blade is located correctly, the depth of cut can be set by turning the brass depth adjuster wheel nut at the rear of the plane (note: ensure the lever cap is removed before adjusting).

The hooded lever cap locks the blade in place by sliding the lever sideways.

The blade can also be adjusted laterally using the lateral lever adjuster. The lateral lever adjuster is found behind the top of the blade, just above the brass depth adjuster wheel nut. The lateral lever pivots left and right which in turn adjusts the blade left and right.

stanley plane 9 1/2

The plane has a brass (or alloy) front knob with a depressed surface designed as a finger grip.

The front knob has a metal lever wrapped around it. This lever is used to adjust the mouth thickness for fine through to coarse work. When the lever is pivoted the front section of the sole slides towards or away from the rear side of the mouth.

What is the difference between the Stanley 9 1/2 block plane and the Stanley 9 1/4 block plane?

The Stanley 9 1/2 block plane is exactly the same as the Stanley 9 1/4 block plane with the exception the Stanley 9 1/2 plane has an adjustable mouth whereas the 9 1/4 plane has a fixed mouth. The 9 1/2 also has a lever for adjusting the adjustable mouth. This mouth adjusting lever is wrapped around the front knob of the 9 1/2 block plane.

stanley 9 1/2 block plane

What is the difference between the Stanley 9 1/2 block plane and the Stanley 15 block plane?

The Stanley 9 1/2 block plane is exactly the same as the Stanley 15 with the exception the Stanley 15 plane is one inch longer and as a result weighs a little bit more.


Plane Construction

stanley 9 1/2 block plane

grey cast iron

Lever cap:
grey cast iron

best steel

Depth adjuster wheel/nut:

alloy or brass

Plane finish:

Stanley 9 1/2 Plane Blade / Cutter

Width: 41mm (1 5/8 inch)

Blade Thickness: 2mm

Top Of Blade Shape: Oval, Rounded Corners


Plane Dimensions

150mm (6 inch)


Manufactured Dates

<1898 - 1994>

<2004 - Today? = Stanley 9 1/2G


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