Printed Circuit Board Series 260
Series 260
Back Non-Undercut Drill
Small and medium sized drills designed for reduced cutting forces with exceptional chip flow resulting in superior hole wall quality. Flat point allows for precise Back Drilling processing.
Diameter Range
0.0145" - 0.0420"
0.40mm - 1.00mm
STANDARD Flute Length (Inch)
| Part Number |
Drill Size |
Dimensions (in) | Point Angle |
|
| Cutting Dia. (ØD) |
Flute Length (L2) |
|||
| 260.0145.197 | #79 | 0.0145 | 0.1970 | 170° |
| 260.0420.197 | #58 | 0.0420 | 0.1968 | 170° |
STANDARD Flute Length (Metric)
| Part Number |
Drill Size |
Dimensions (mm) | Point Angle |
|
| Cutting Dia. (ØD) |
Flute Length (L2) |
|||
| 260.0157.197 | 0.40mm | 0.399 | 5.00 | 170° |
| 260.0177.197 | 0.45mm | 0.450 | 5.00 | 170° |
| 260.0177.217 | 0.45mm | 0.450 | 5.50 | 170° |
| 260.0177.256 | 0.45mm | 0.450 | 6.50 | 170° |
| 260.0197.197 | 0.50mm | 0.500 | 5.00 | 170° |
| 260.0197.217 | 0.50mm | 0.500 | 5.50 | 170° |
| 260Q0197.256 | 0.50mm | 0.500 | 6.50 | 170° |
| 260.0217.197 | 0.55mm | 0.550 | 5.00 | 170° |
| 260.0236.197 | 0.60mm | 0.600 | 5.00 | 170° |
| 260.0256.197 | 0.65mm | 0.650 | 5.00 | 170° |
| 260.0276.197 | 0.70mm | 0.701 | 5.00 | 170° |
| 260.0276.256 | 0.70mm | 0.701 | 6.50 | 170° |
| 260.0295.197 | 0.75mm | 0.749 | 5.00 | 170° |
| 260.0315.197 | 0.80mm | 0.800 | 5.00 | 170° |
| 260.0335.197 | 0.85mm | 0.851 | 5.00 | 170° |
| 260.0354.197 | 0.90mm | 0.899 | 5.00 | 170° |
| 260.0394.197 | 1.00mm | 1.000 | 5.00 | 170° |
Part Numbers above include rings set at 0.800"
For Ringless Part Number, replace series "." with "-" (XXX-XXXX.XXXX)
Additional diameters and special ring colors available upon request
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