1/4" Shank Industrial Diamond Tools
For almost 40 years customers around the world have depended on A & M Instruments for high precision Diamond Cutting Tools, CNC Machining, and Swiss Screw Machining. A & M Instruments manufactures diamond rotary tools for endless industrial applications including glass and stone, wood, metal, and plastics. A & M Instruments Quality Diamond Tools fit rotary power tools such as air tools, drills, rotary tools, and routers including brand names such as Dremel®, Proxxon®, Foredom®, Black and Decker®, Rotozip® and others.
Note: Always wear proper eye protection and gloves when using any cutting or grinding tool. All diamond tools last longer if a lubricant or coolant is used during cutting or grinding.
A&M Instruments Industrial Diamond 0.062" Mandrel - 4374-0062
$ 18.25
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4374-0062F; Coarse 4374-0062C Grit: 220 Fine; 120 Coarse Head Diameter: 0.062" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.062" Mandrel - 4660-0062
$ 20.00
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4660-0062F; Coarse 4660-0062C Grit: 220 Fine; 120 Coarse Head Diameter: 0.062" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.078" Mandrel - 4374-0078
$ 18.25
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4374-0078F; Coarse 4374-0078C Grit: 220 Fine; 120 Coarse Head Diameter: 0.078" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.078" Mandrel - 4660-0078
$ 20.00
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4660-0078F; Coarse 4660-0078C Grit: 220 Fine; 120 Coarse Head Diameter: 0.078" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.093" (3/32") x 1/4" Shank Grout Removal Bit - 4814-0093SP
$ 18.00
Sold individually for $14.50 each. A&M Instruments Product Code: 4814-0093SP Grit: 120 Coarse Head Diameter: 0.093" (3/32") Shank Diameter: 1/4" (Heavy Duty) A&M Instruments' heavy duty grout removal bit is...
A&M Instruments Industrial Diamond 0.093" Mandrel - 4374-0093
$ 17.25
Sold individually for $17.25 each. A&M Instruments Product Code: Fine 4374-0093F; Coarse 4374-0093C Grit: 220 Fine; 120 Coarse Head Diameter: 0.093" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.093" Mandrel - 4660-0093
$ 18.00
Sold individually for $17.25 each. A&M Instruments Product Code: Fine 4660-0093F; Coarse 4660-0093C Grit: 220 Fine; 120 Coarse Head Diameter: 0.093" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.125" Mandrel - 4374-0125
$ 16.25
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4374-0125F; Coarse 4374-0125C Grit: 220 Fine; 120 Coarse Head Diameter: 0.125" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.125" Mandrel - 4660-0125
$ 17.00
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4660-0125F; Coarse 4660-0125C Grit: 220 Fine; 120 Coarse Head Diameter: 0.125" Head Length: 0.25" Clearance: 0.50" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.14" Mandrel - 4374-0140
$ 16.25
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4374-0140F; Coarse 4374-0140C Grit: 220 Fine; 120 Coarse Head Diameter: 0.14" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.14" Mandrel - 4660-0140
$ 18.00
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4660-0140F; Coarse 4660-0140C Grit: 220 Fine; 120 Coarse Head Diameter: 0.14" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.156" Mandrel - 4374-0156
$ 16.25
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4374-0156F; Coarse 4374-0156C Grit: 220 Fine; 120 Coarse Head Diameter: 0.156" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.156" Mandrel - 4660-0156
$ 18.00
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4660-0156F; Coarse 4660-0156C Grit: 220 Fine; 120 Coarse Head Diameter: 0.156" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.187 Round End Cylinder - 4814-0187
$ 19.75
Sold individually for $19.75 each. A&M Instruments Product Code: 4814-0187 Grit: 120 Coarse Head Diameter: 0.187" Head Length: 0.312" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.187" (3/16") x 1/4" Shank Grout Removal Bit - 4814-0187SP
$ 18.00
Sold individually for $16.50 each. A&M Instruments Product Code: 4814-0187SP Grit: 120 Coarse Head Diameter: 0.187" (3/16") Shank Diameter: 1/4" (Heavy Duty) A&M Instruments' heavy duty grout removal bit is...
A&M Instruments Industrial Diamond 0.187" Counter Sink - 4664-0187
$ 18.00
Sold individually for $19.45 each. A&M Instruments Product Code: 4664-0187 Grit: 120 Coarse Head Diameter: 0.187" Head Length: 0.10" Overall Bur Length: 1.5" Shank Diameter: 1/4" The angle of A...
A&M Instruments Industrial Diamond 0.188" Mandrel - 4374-0188
$ 16.25
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4374-0188F; Coarse 4374-0188C Grit: 220 Fine; 120 Coarse Head Diameter: 0.188" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.188" Mandrel - 4660-0188
$ 18.00
Sold individually for $16.25 each. A&M Instruments Product Code: Fine 4660-0188F; Coarse 4660-0188C Grit: 220 Fine; 120 Coarse Head Diameter: 0.188" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.218" Mandrel - 4374-0218
$ 18.25
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4374-0218F; Coarse 4374-0218C Grit: 220 Fine; 120 Coarse Head Diameter: 0.218" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.218" Mandrel - 4660-0218
$ 18.00
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4660-0218F; Coarse 4660-0218C Grit: 220 Fine; 120 Coarse Head Diameter: 0.218" Head Length: 0.25" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.25" Counter Sink - 4664-0250
$ 22.00
Sold individually for $22.45 each. A&M Instruments Product Code: 4664-0250 Grit: 120 Coarse Head Diameter: 0.25" Head Length: 0.10" Overall Bur Length: 1.5" Shank Diameter: 1/4" The angle of A...
A&M Instruments Industrial Diamond 0.25" Mandrel - 4374-0250
$ 18.25
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4374-0250F; Coarse 4374-0250C Grit: 220 Fine; 120 Coarse Head Diameter: 0.25" Head Length: 0.312" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.25" Mandrel - 4660-0250
$ 18.00 $ 18.25
Sold individually for $18.25 each. A&M Instruments Product Code: Fine 4660-0250F; Coarse 4660-0250C Grit: 220 Fine; 120 Coarse Head Diameter: 0.25" Head Length: 0.312" Clearance: 1.00" Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.25" Round End Cylinder - 4814-0250
$ 18.00
Sold individually for $19.75 each. A&M Instruments Product Code: 4814-0250 Grit: 120 Coarse Head Diameter: 0.25" Head Length: 0.312" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.312" Mandrel - 4384-0312
$ 22.00
Sold individually for $20.25 each. A&M Instruments Product Code: Fine 4384-0312F; Coarse 4384-0312C Grit: 220 Fine; 120 Coarse Head Diameter: 0.312" Head Length: 0.312" Clearance: N/A Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.375" 60 degree Plated Cone Router - 5604-0375
$ 41.25
Sold individually for $32.75 each. A&M Instruments Product Code: 5604-0375 Grit: 40/60 Shape: 60° Cone Outside Diameter: 0.375" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.375" 90 degree Plated Cone Router - 5904-0375
$ 41.25
Sold individually for $32.75 each. A&M Instruments Product Code: 5904-0375 Grit: 40/60 Shape: 90° Cone Outside Diameter: 0.375" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.375" Counter Sink - 4664-0375
$ 30.00 $ 35.45
Sold individually for $35.45 each. A&M Instruments Product Code: 4664-0375 Grit: 120 Coarse Head Diameter: 0.375" Head Length: 0.15" Overall Bur Length: 1.5" Shank Diameter: 1/4" The angle of A...
A&M Instruments Industrial Diamond 0.375" Mandrel - 4384-0375
$ 24.00
Sold individually for $22.45 each. A&M Instruments Product Code: Fine 4384-0375F; Coarse 4384-0375C Grit: 220 Fine; 120 Coarse Head Diameter: 0.375" Head Length: 0.312" Clearance: N/A Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.375" Plated Ball Router - 5014-0375
$ 41.25
Sold individually for $32.75 each. A&M Instruments Product Code: 55014-0375 Grit: 40/60 Outside Diameter: 0.375" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers around the world...
A&M Instruments Industrial Diamond 0.375" Round End Cylinder - 4814-0375
$ 22.00
Sold individually for $24.45 each. A&M Instruments Product Code: 4814-0375 Grit: 120 Coarse Head Diameter: 0.375" Head Length: 0.312" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.437" Ball - 4014-0437
$ 28.00
Sold individually for $24.50 each. A&M Instruments Product Code: 4014-0437 Grit: 120 Coarse Head Diameter: 0.437" Head Length: 0.437" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.50" Ball - 4014-0500
$ 31.00
Sold individually for $26.45 each. A&M Instruments Product Code: 4014-0500 Grit: 120 Coarse Head Diameter: 0.50" Head Length: 0.50" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.50" Counter Sink - 4664-0500
$ 39.00 $ 42.25
Sold individually for $42.25 each. A&M Instruments Product Code: 4664-0500 Grit: 120 Coarse Head Diameter: 0.50" Head Length: 0.20" Overall Bur Length: 1.5" Shank Diameter: 1/4" The angle of A...
A&M Instruments Industrial Diamond 0.50" Mandrel - 4374-0500
$ 28.45
Sold individually for $28.45 each. A&M Instruments Product Code: Fine 4374-0500F; Coarse 4374-0500C Grit: 220 Fine; 120 Coarse Head Diameter: 0.50" Head Length: 0.25" Clearance: N/A Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.50" Mandrel - 4384-0500
$ 31.00
Sold individually for $29.45 each. A&M Instruments Product Code: Fine 4384-0500F; Coarse 4384-0500C Grit: 220 Fine; 120 Coarse Head Diameter: 0.50" Head Length: 0.375" Clearance: N/A Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.50" Mandrel - 4660-0500
$ 31.00
Sold individually for $28.45 each. A&M Instruments Product Code: Fine 4660-0500F; Coarse 4660-0500C Grit: 220 Fine; 120 Coarse Head Diameter: 0.50" Head Length: 0.25" Clearance: N/A Overall Bur Length: 2.25"...
A&M Instruments Industrial Diamond 0.50" Round End Cylinder - 4814-0500
$ 31.00
Sold individually for $29.45 each. A&M Instruments Product Code: 4814-0500 Grit: 120 Coarse Head Diameter: 0.50" Head Length: 0.312" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.500" 60 degree Plated Cone Router - 5604-0500
$ 47.82
Sold individually for $47.82 each. A&M Instruments Product Code: 5604-0500 Grit: 40/60 Shape: 60° Cone Outside Diameter: 0.500" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.500" 90 degree Plated Cone Router - 5904-0500
$ 47.82
Sold individually for $47.82 each. A&M Instruments Product Code: 5904-0500 Grit: 40/60 Shape: 90° Cone Outside Diameter: 0.375" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.500" Plated Ball Router - 5014-0500
$ 47.82
Sold individually for $47.82 each. A&M Instruments Product Code: 5014-0500 Grit: 40/60 Outside Diameter: 0.500" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers around the world...
A&M Instruments Industrial Diamond 0.59" Mandrel - M 4364-0590 (Copy)
$ 34.00
Sold individually for $37.00 each. A&M Instruments Product Code: Coarse M 4364-0590 Grit: 120 Coarse Head Diameter: 0.590" Head Length: 0.38" Clearance: N/A Overall Bur Length: 2.25" Shank Diameter: 1/4"...
A&M Instruments Industrial Diamond 0.625" 60 degree Plated Cone Router - 5604-0625
$ 58.28
Sold individually for $58.28 each. A&M Instruments Product Code: 5604-0625 Grit: 40/60 Shape: 60° Cone Outside Diameter: 0.625" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.625" 90 degree Plated Cone Router - 5904-0625
$ 58.28
Sold individually for $58.28 each. A&M Instruments Product Code: 5904-0625 Grit: 40/60 Shape: 90° Cone Outside Diameter: 0.625" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers...
A&M Instruments Industrial Diamond 0.625" Plated Ball Router - 5014-0625
$ 58.28
Sold individually for $58.28 each. A&M Instruments Product Code: 5014-0625 Grit: 40/60 Outside Diameter: 0.625" Overall Bur Length: 2.25" Shank Diameter: 0.250" For almost 40 years customers around the world...
A&M Instruments Industrial Diamond 0.75" Ball - 4014-0750
$ 60.00
Sold individually for $48.45 each. A&M Instruments Product Code: 4014-0750 Grit: 120 Coarse Head Diameter: 0.75" Head Length: 0.75" Overall Bur Length: 2.25" Shank Diameter: 1/4" For almost 40 years...
A&M Instruments Industrial Diamond 0.75" Counter Sink - 4664-0750
$ 65.00
Sold individually for $57.45 each. A&M Instruments Product Code: 4664-0750 Grit: 120 Coarse Head Diameter: 0.75" Head Length: 0.30" Overall Bur Length: 1.5" Shank Diameter: 1/4" The angle of A...
A&M Instruments Industrial Diamond 0.75" Mandrel - 4384-0750
$ 60.00
Sold individually for $66.00 each. A&M Instruments Product Code: Fine 4384-0750F; Coarse 4384-0750C Grit: 220 Fine; 120 Coarse Head Diameter: 0.75" Head Length: 0.50" Clearance: N/A Overall Bur Length: 2.25"...
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