Spotting Drills – Centering Drills, Solid Carbide
Spotting Drills / Centering Drills are used for Pre-Drilling Holes on a Wide Variety of Materials
Spotting Drills, Centering Drills, Premium Solid Carbide
Solid carbide Spotting Drills-Centering Drills are used to spot drill holes and produce exact hole locations when center drilling holes.
These NC Spot Drills have short flutes and no-land or body relief to maintain maximum rigidity. Maximum rigidity provides the best hole location.
- Spot drilling prevents drill walking.
- Spot drill before final drilling to maintain the best hole location.
- For use on practically any material from softer materials such as Aluminum, Brass, Plastic, and Wood to more difficult materials such as Steel, Stainless steel, Composites, Inconel, and Titanium.
- For softer materials 90° points are typically used to start drills up to 120°.
- 120° points are used to start drills above 120° (typically 135° drills). This allows the outer cutting edge of the secondary drill to start cutting before the point touches.
- To Spot Drill / Center Drill tougher and harder materials and for high performance secondary drills the 145° point is recommended.
- The 145° tools allows the point of the secondary drill to touch before the outer cutting edge.
- This helps to reduce chatter and prevent chipping of the secondary drill’s cutting edges.
- Produced from an Ultra-Fine, Submicron, Nano Grade Solid Carbide.
- Manufactured in house.
- 1,000s of tools in stock & ready to ship!
View all options and pricing.
- Tool Shank Diameters: 1/8″, 11/64″, 3/16″ & 1/4″, 3/8″, 1/2″, 5/16″ and metric sizes of 4 mm and 6 mm.
- Included Angles: 82°, 90°, 120° and 145°.
- Overall Lengths: 2.0″, 3.0″, 4.5″, 6.5″, 50 mm.
- Solid Carbide: Produced from premium, ultra-fine nano grade carbide for maximum tool strength.
Custom Tools are produced in house with quick turn around.
If you do not see a size you are looking for Contact Us or send us a Custom Tool Request.
Use for Rotary Applications with:
- CNC Milling Machines.
- Routers.
- Lathes & more.
| Incl. Angle | Shank Dia. | OL | Part Number | Price (each) | Buy |
|---|---|---|---|---|---|
| 82° | .125" (1/8") | 2.0" | SD-125x2.0-82 | $15.50 | |
| 90° | .125" (1/8") | 2.0" | SD-125x2.0-90 | $15.50 | |
| 120° | .125" (1/8") | 2.0" | SD-125x2.0-120 | $15.50 | |
| 145° | .125" (1/8") | 2.0" | SD-125x2.0-145 | $15.50 | |
| 82° | .125" (1/8") | 4.5" | SD-125x4.5-82 | $18.00 | |
| 90° | .125" (1/8") | 4.5" | SD-125x4.5-90 | $18.00 | |
| 120° | .125" (1/8") | 4.5" | SD-125x4.5-120 | $18.00 | |
| 145° | .125" (1/8") | 4.5" | SD-125x4.5-145 | $18.00 | |
| 82° | .1719" (11/64") | 6.5" | SD-1719x6.5-82 | $24.70 | |
| 90° | .1719" (11/64") | 6.5" | SD-1719x6.5-90 | $24.70 | |
| 120° | .1719" (11/64") | 6.5" | SD-1719x6.5-120 | $24.70 | |
| 145° | .1719" (11/64") | 6.5" | SD-1719x6.5-145 | $24.70 | |
| 60° | .1875" (3/16") | 2.0" | SD-1875x2.0-60 | $20.10 | |
| 82° | .1875" (3/16") | 2.0" | SD-1875x2.0-82 | $20.10 | |
| 90° | .1875" (3/16") | 2.0" | SD-1875x2.0-90 | $20.10 | |
| 120° | .1875" (3/16") | 2.0" | SD-1875x2.0-120 | $20.10 | |
| 145° | .1875" (3/16") | 2.0" | SD-1875x2.0-145 | $20.10 | |
| 82° | .250" (1/4") | 2.0" | SD-250x2.0-82 | $24.10 | |
| 90° | .250" (1/4") | 2.0" | SD-250x2.0-90 | $24.10 | |
| 120° | .250" (1/4") | 2.0" | SD-250x2.0-120 | $24.10 | |
| 145° | .250" (1/4") | 2.0" | SD-250x2.0-145 | $24.10 | |
| 82° | .250" (1/4") | 6.5" | SD-250x6.5-82 | $29.85 | |
| 90° | .250" (1/4") | 6.5" | SD-250x6.5-90 | $29.85 | |
| 120° | .250" (1/4") | 6.5" | SD-250x6.5-120 | $29.85 | |
| 145° | .250" (1/4") | 6.5" | SD-250x6.5-145 | $29.85 | |
| 82° | .3125" (5/16") | 2.5" | SD-3125x2.5-82 | $28.01 | |
| 90° | .3125" (5/16") | 2.5" | SD-3125x2.5-90 | $28.01 | |
| 120° | .3125" (5/16") | 2.5" | SD-3125x2.5-120 | $28.01 | |
| 145° | .3125" (5/16") | 2.5" | SD-3125x2.5-145 | $28.01 | |
| 82° | .375" (3/8") | 3.0" | SD-375x3.0-82 | $33.09 | |
| 90° | .375" (3/8") | 3.0" | SD-375x3.0-90 | $33.09 | |
| 120° | .375" (3/8") | 3.0" | SD-375x3.0-120 | $33.09 | |
| 145° | .375" (3/8") | 3.0" | SD-375x3.0-145 | $33.09 | |
| 82° | .500" (1/2") | 3.0" | SD-500x3.0-82 | $47.46 | |
| 90° | .500" (1/2") | 3.0" | SD-500x3.0-90 | $47.46 | |
| 120° | .500" (1/2") | 3.0" | SD-500x3.0-120 | $47.46 | |
| 145° | .500" (1/2") | 3.0" | SD-500x3.0-145 | $47.46 | |
| 82° | .5625" (9/16") | 3.0" | SD-562x3.0-82 | $58.66 | |
| 90° | .5625" (9/16") | 3.0" | SD-562x3.0-90 | $58.66 | |
| 120° | .5625" (9/16") | 3.0" | SD-562x3.0-120 | $58.66 | |
| 145° | .5625" (9/16") | 3.0" | SD-562x3.0-145 | $58.66 | |
| 82° | .750" (3/4") | 3.0" | SD-750x3.0-82 | $123.08 | |
| 90° | .750" (3/4") | 3.0" | SD-750x3.0-90 | $123.08 | |
| 120° | .750" (3/4") | 3.0" | SD-750x3.0-120 | $123.08 | |
| 145° | .750" (3/4") | 3.0" | SD-750x3.0-145 | $123.08 | |
| 82° | 4 mm (.157") | 50 mm (1.97") | SDmet-4x50-82 | $20.10 | |
| 90° | 4 mm (.157") | 50 mm (1.97") | SDmet-4x50-90 | $20.10 | |
| 120° | 4 mm (.157") | 50 mm (1.97") | SDmet-4x50-120 | $20.10 | |
| 145° | 4 mm (.157") | 50 mm (1.97") | SDmet-4x50-145 | $20.10 | |
| 82° | 6 mm (.236") | 50 mm (1.97") | SDmet-6x50-82 | $24.10 | |
| 90° | 6 mm (.236") | 50 mm (1.97") | SDmet-6x50-90 | $24.10 | |
| 120° | 6 mm (.236") | 50 mm (1.97") | SDmet-6x50-120 | $24.10 | |
| 145° | 6 mm (.236") | 50 mm (1.97") | SDmet-6x50-145 | $24.10 |
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