High Speed Burs Size Chart One

High Speed Size Chart Two  | High Speed Bur Sets
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All High Speed and Carbide Burs are standard with 3/32" shanks.
Burs with 1/8" shanks may be special ordered.

Ask about our regrind service - available for all Spearhead burs. 
You'll get a "like-new" bur for a fraction of the price.

* Indicates available sizes
If you don't see the bur you need, contact us for a special order quote.
Size
MM
Round
Bud
Cone
Setting
90° Bearing
Cutter
45° Bearing
Cutter
Cylinder
Square Edge Wheel
1
0.9mm		 *     * *      
2
1.1mm		 * * * * * *    
3
1.3mm		 * * * * * *    
4
1.5mm		 * * * * * *    
5
1.7mm		 * * * * * * * *
6
1.9mm		 * * * * * *    
7
2.1mm		 * * * * * *    
8
2.3mm		 * * * * * * * *
9
2.5mm		 * * * * * *    
10
2.7mm		 * * * * * *    
11
2.9mm		 * * * * * *    
12
3.1mm		 * * * * * *    
13
3.3mm		 * * * * * * * *
14
3.5mm		 * * * * * *    
15
3.8mm		 *     * * *    
16
4.0mm
1/4 Ct.		 * * * * * * * *
17
4.3mm		 *     * * *    
18
4.5mm
3/8 Ct.		 * * * * * *    
19
4.7mm		 *     * * * * *
20
5.0mm
1/2 Ct.		 * * * * * *    
22
5.2mm		 * * * * * *    
23
5.4mm		 *     * *      
24
5.6mm
3/4 Ct.		 * * * * * *    
25
5.9mm		 *     * *      
26
6.3
1 Ct.		 * * * * * * * *
27
6.7mm		 *     * *      
28
7.2
1 1/2 Ct.		 * * * * * *    
29
7.6mm		 *     * *      
30
8.0
2 Ct.		 * * * * * * * *
31
8.9mm
2 1/2 Ct.		 *     * *      
32
9.6mm
3 Ct.		 * * * * *      
33
10.4mm		 *     * *      
34
11.1mm
4 Ct.		 * * * * * * * *

Cylinder Burs with 1/8" shank are available from stock in sizes # 26, 30, 34.

High Speed Size Chart Two  | High Speed Bur Sets
Home | Carbide Burs | Contact Us
Return to High Speed Burs

SPEARHEAD TOOL COMPANY
65 West Road, Easton, CT 06612
203-254-4492 FAX 203-254-8335
e-mail: spearheadtoolco@aol.com