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Help CenterCenter Drill Bits Long Length HSS
US$ 0.3 - 3
MOQ: 100 Pieces
Key Specifications
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Place of Origin:
Jiangsu, China
Brand Name:
STC
Model Number:
Y12
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.
Related Products
Place of Origin
Jiangsu, China
Brand Name
STC
Model Number
Y12
COMBINED DRILLS AND COUNTERSINKS (CENTER DRILL BITS) 60 degree, long length type.
Material: HSS, HSSCO.
Product Feature
(Din 333 Form A, B, R). Plain type, bell type and radius type.
Ground,bright finish.
Metric size
| Drill Dia. | Body Dia. | Overall Length |
| 1.0mm | 4 | 60 |
| 1.0mm | 4 | 120 |
| 1.5mm | 5 | 60 |
| 1.5mm | 5 | 120 |
| 2.0mm | 6 | 80 |
| 2.0mm | 6 | 120 |
| 2.5mm | 8 | 80 |
| 2.5mm | 8 | 120 |
| 3.0mm | 8 | 80 |
| 3.0mm | 8 | 120 |
| 3.0mm | 10 | 100 |
| 3.0mm | 10 | 120 |
| 4.0mm | 10 | 100 |
| 4.0mm | 10 | 100 |
| 4.0mm | 12 | 120 |
| 4.0mm | 12 | 120 |
Inch size
| Size # | Drill Dia. | Body Dia. | Overall Length |
| 1A | 3/64" | 1/8" | 3" |
| 1B | 3/64" | 1/8" | 4" |
| 1C | 3/64" | 1/8" | 5" |
| 1D | 3/64" | 1/8" | 6" |
| 2A | 5/64" | 3/16" | 3" |
| 2B | 5/64" | 3/16" | 4" |
| 2C | 5/64" | 3/16" | 5" |
| 2D | 5/64" | 3/16" | 6" |
| 3A | 7/64" | 1/4" | 3" |
| 3B | 7/64" | 1/4" | 4" |
| 3C | 7/64" | 1/4" | 5" |
| 3D | 7/64" | 1/4" | 6" |
| 4A | 1/8" | 5/16" | 3" |
| 4B | 1/8" | 5/16" | 4" |
| 4C | 1/8" | 5/16" | 5" |
| 4D | 1/8" | 5/16" | 6" |
| 4-1/2A | 9/64" | 3/8" | 4" |
| 4-1/2B | 9/64" | 3/8" | 5" |
| 4-1/2C | 9/64" | 3/8" | 6" |
| 5A | 3/16" | 7/16" | 4" |
| 5B | 3/16" | 7/16" | 5" |
| 5C | 3/16" | 7/16" | 6" |
| 6A | 7/32" | 1/2" | 4" |
| 6B | 7/32" | 1/2" | 5" |
| 6C | 7/32" | 1/2" | 6" |
| 7A | 1/4" | 5/8" | 6" |
| 8A | 5/16" | 3/4" | 6" |
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Business Type
Trading Company
Year Established
2005
Factory Size
Below 1,000 square meters
Total Employees
101 - 200 People
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