Combined Drill and Countersinks (Center Drill)
China Combined Drill and Countersinks (Center Drill), Find details about China Center Drill Bit, Combined Drill and Countersinks from Combined Drill and Countersinks (Center Drill)
Basic Info.
Model NO.
din 333a, din 333b, din 333r
Size
1mm to 10mm
Trademark
stc
Transport Package
plastic box
Specification
1mm to 10mm
Origin
Jiangsu
HS Code
82075090
Model NO.
din 333a, din 333b, din 333r
Size
1mm to 10mm
Trademark
stc
Transport Package
plastic box
Specification
1mm to 10mm
Origin
Jiangsu
HS Code
82075090
Product Desciption
COMBINED DRILLS AND COUNTERSINKS (CENTER DRILL BITS)Combined drill and countersinks(center drill bits) are designed with 118° Point Angle and a 60° Countersink Included Angle with Spiral Flutes. Combined drill and countersinks(center drill bits) are used for center holes in work pieces for additional manufacturing operations. Available in HSS, COBALT, and CARBIDE. The Bell type is furnished with a 118° Point Angle and a 60° /120° Included angle. Combined drill and countersinks(center drill bits) also available in an extra long series.
Cylindrical shank, right hand cut, countersink angle 60° Point Angle 120 0 (Similar Standard: BS 328: Part 2: 1986, ISO 866, ISO 2540, ISO 2541. ) Center drills, metric sizes, ground (DIN 333 Form A) HSS bright finish
Center drills, metric sizes, ground (DIN 333 Form R) HSS bright finish (Similar Standard: BS 328: Part 2: 1986, ISO 866, ISO 2540, ISO 2541. )
High Speed Steel material component: W6Mo5Cr4V2
Solid carbide K10 Micro-fine combined drill and countersinks(center drill bits) on request Combined drill and countersinks(center drill bits) tin--Coating on request
| Nominal diameter Dh8 mm | Overall length L mm | Shank diameter dh7 mm |
| 1.00 | 31.50 | 3.15 |
| 1.25 | 31.50 | 3.15 |
| 1.60 | 35.50 | 4.00 |
| 2.00 | 40.00 | 5.00 |
| 2.50 | 45.00 | 6.30 |
| 3.15 | 50.00 | 8.00 |
| 4.00 | 56.00 | 10.00 |
| 5.00 | 63.00 | 12.50 |
| 6.30 | 71.00 | 16.00 |
| Nominal diameter Dh8 mm | Overall length L mm | Shank diameter dh7 mm |
| 1.00 | 31.50 | 3.15 |
| 1.25 | 31.50 | 3.15 |
| 1.60 | 35.50 | 4.00 |
| 2.00 | 40.00 | 5.00 |
| 2.50 | 45.00 | 6.30 |
| 3.15 | 50.00 | 8.00 |
| 4.00 | 56.00 | 10.00 |
| 5.00 | 63.00 | 12.50 |
| 6.30 | 71.00 | 16.00 |
| Nominal diameter Dh8 mm | Overall length L mm | Shank diameter dh7 mm |
| 1.00 | 31.50 | 4.00 |
| 1.25 | 31.50 | 5.00 |
| 1.60 | 35.50 | 6.30 |
| 2.00 | 40.00 | 80.00 |
| 2.50 | 45.00 | 10.00 |
| 3.15 | 50.00 | 11.20 |
| 4.00 | 67.00 | 14.00 |
| 5.00 | 75.00 | 18.00 |
| 6.30 | 80.00 | 20.00 |
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