Centre Finders

Hand Tools

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Measuring & Marking

Kennedy

For fast accurate work location. Made from tool steel and hardened all over, they can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines.

Edge & Centre Finders - Plain Edge Metric

Stem Parallel-ended, Plain Edge Finder, 10mm

Used for marking out lines parallel to a true edge or groove, and also to mark the centre of round bars. Machined base, two pillars, a double ended scriber and an adjustable attachment for holding scribers up to 1/4” diameter on to the pillar. The base has a machined V-groove for use on pipes and round bar and two frictionally held pins which are used as a guide when sliding along the true edge or groove. The angle of the pillar can be finely adjusted with the use of a knurled thumb screw. Supplied with two pillars.
Base dimensions: 80 x 30mm.

Used for marking out lines parallel to a true edge or groove, and also to mark the centre of round bars. The product includes a machined base and two pillars that are specifically designed to hold 2 scribers with 5/32in. and 7/32in. diameter. The base has a machined V-groove for use on pipes and round bars and two frictionally held pins which are used as a guide when sliding along the true edge or groove. The angle of the pillar can be finely adjusted with the use of a knurled thumb screw. Supplied with two pillars.

Features and Benefits
• For marking out lines parallel to a true edge or groove, or the centre of round bars
• Angle of the pillar can be adjusted with the knurled thumb screw to suit your needs
• Can be used for marking out in various ways to suit your needs
• Supplied with base, 2 pillars, double ended scriber and an adjustable attachment for holding scribers to the pillar for versatility of use
• Manufactured from steel for optimum durability

Typical Applications
• Engineering
• Manufacturing

Notes
• See here for our replacement Kennedy® <a href='/shop/hand-tools/scribers/scriber-to-suit-ken5184300k/p/KEN5184390K'>Scriber</a>

Surface Gauge

Stem Cone shaped, Surface Gauge, Steel

Cylinder Type
For fast accurate work location. Made from tool steel and hardened all over, they can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines.

For fast accurate work location. Made from tool steel and hardened all over, they can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines. 

Edge Finders - Imperial

Stem Parallel-ended, Edge Finder, 0.2055in.

This cylinder type edge finder is designed for fast, accurate work location. Made from tool steel and hardened all over, they can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines. 

Features and Benefits
• Manufactured from hardened tool steel making for a highly resilient product
• Works on a variety of surfaces for versatility
• Highly accurate for optimum results

Typical Applications
• Automotive
• Engineering
• Manufacturing

Edge Finder Body, Metric

Stem Parallel-ended, Edge Finder, 10mm

Combination Edge & Centre Finders - Imperial

Stem Cone shaped, Combination Edge & Centre Finder, 0.2087in.

This Cylinder Type edge and centre finder is designed for fast accurate work location. Made from tool steel and hardened all over, the tool can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines.

Features and Benefits
• Made from tool steel and hardened all over for maximum durability and tool longevity
• For fast accurate work location in a simple manner
• Used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribes lines for true versatility of use

Typical Applications
• Manufacturing
• Engineering

Edge and Centre Finder Combination, Metric, Cylinder Type

Stem Cone shaped, Combination Edge & Centre Finder, 0.1969in

Stem Cone shaped, Combination Edge & Centre Finder, 0.0433in.

This cylinder type edge finder is suitable for fast and accurate work location. Made from tool steel and hardened all over, the product can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines.

Features and Benefits
• Made from tool steel and hardened all over for durability
• For fast accurate work location
• Can be used on a variety of surfaces

Typical Applications
• Manufacturing
• Construction
• Engineering

Edge Finder, Double Edge

Stem Parallel-ended, Double Edge Finder, 0.2in

The Kennedy® plain edge finder is a simple yet essential tool used in machining and metalworking to accurately locate the edges or reference points of a workpiece.

Features and Benefits
• Made from hardened steel 
• Can be used on flat surfaces, straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines
• Simple to use and requires minimal training
• Reduced wasted material as edge detection helps prevent errors in machining

Plain Edge Finder - Imperial

Stem Parallel-ended, Plain Edge Finder, 1/2" Contact Diameter

Consists of a chuck body and four contact arms. Designed to check ‘run-out’ or concentricity, straightness and alignment. Will indicate the position of a datum point on a component or fixture from the centre line of a machine spindle. Suitable for use on drill presses, lathes, milling machines, borers etc. 

Chuck Body:  
Held in the spindle using a suitable drill chuck or collet chuck (fig 1). The contact arms are retained in position using the knurled collar which lightly clamps the ball joint inside the body. Arms may be exchanged without the need to remove the body from the machine spindle. 

Universal Indicator Holder 
The detachable end will allow clamping with 2 and 3 piece dovetail clamping assemblies and when removed will fit standard 1/4” side clamp. This uses the spindle centre line to align component bores or spigots, check the flatness or squareness of workpieces or fixturing and check run-out of components. The spindle should only be rotated manually to avoid damaging the dial test indicator (fig 1).

Needle Point
To lightly mark out lines and positions on a component as a guide to subsequent operations, using the machine’s dials or digital read-out to position the scriber point (not illustrated). 

Position the contact arm in line, but slightly away from the surface to be aligned. When finding the surface of a diameter, the ‘Disc' must be positioned as near to the centre of that diameter as possible. Run the spindle between 200 and 500 revs/min. The table or spindle is then moved slowly, to bring the contact arm closer to the surface to be aligned. The contact arm will tap lightly against the surface (fig 2) the movement of the arm will become less and less the nearer the datum point gets to the spindle centre line (fig 3). When the arm stops spinning in a straight line and starts to 'jump', this indicates the datum point (fig 4):   
1/2 contact dia + Edge = Centre       
1/2 contact dia - Centre = Edge

Ball Contact  .250”
Used to find a datum  point .125” ± .0005” away from a flat surface.

Disc Contact  .100”  
Used to find a datum point .050” ± .0005” away from a convex surface.

Contents: Chuck Body, Universal Indicator Holder, Needle Point, Ball Contact, Disc Contact.

Comprised of a chuck body and four contact arms, this edge and centre finder set is designed to check 'run-out' or concentricity, straightness and alignment. The components will indicate the position of a datum point on a component or fixture from the centre line of a machine spindle. Suitable for use on drill presses, lathes, milling machines, borers and similar applications.

Features and Benefits
• Ground, hardened and polished contact arms ensure highly accurate centre locating
• Quick change "snap fit" body and arms to easily change your component when needed
• Supplied in a plastic wallet to effectively store and organise your tools
• Unique design universal indicator holder

Contents
• Chuck Body
• Universal Indicator Holder
• Needle Point
• Ball Contact
• Disc Contact

Typical Applications
• Engineering
• Manufacturing
• Workshops

Centre Finders

Kennedy

Stem Parallel-ended, Plain Edge Finder, 10mm

Kennedy

Stem Cone shaped, Surface Gauge, Steel

Kennedy

Stem Parallel-ended, Edge Finder, 0.2055in.

2 Variations

Kennedy

Stem Parallel-ended, Edge Finder, 10mm

Kennedy

Stem Parallel-ended, Edge Finder, 0.2055in.

2 Variations

Kennedy

Stem Cone shaped, Combination Edge & Centre Finder, 0.2087in.

2 Variations

Kennedy

Stem Cone shaped, Combination Edge & Centre Finder, 0.1969in

Kennedy

Stem Cone shaped, Combination Edge & Centre Finder, 0.0433in.

2 Variations

Kennedy

Stem Parallel-ended, Double Edge Finder, 0.2in

Kennedy

Stem Parallel-ended, Plain Edge Finder, 1/2" Contact Diameter

Kennedy

Stem Ball-ended, Combination Edge & Centre Finder, 0.100in./0.236in./0.250in., Steel

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