Sinolite Tools Limited
China Multi-Purpose Drill Bits for professional user with 130 degrees of carbide tip manufacturer |
Price: | 0.3 USD |
Payment Terms: | T/T,L/C |
Place of Origin: | Zhejiang, China (Mainland) |
In USA Showroom : |
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1) Product:
Multi-purpose drill bit made with s specific drill geometry with 130 degrees of carbide tip
resharpenable carbide for the purpose of repeated use
Metric sizes: 3-25mm
Inch size: 1/8" - 1"
2)Picture of multi-purpose drill bit
3)Metric sizes of multi-purpose drill bits
Metric | Total Length | Shank |
3mm | 70mm | Straight |
4mm | 83mm | Straight |
5mm | 89mm | Straight |
6mm | 108mm | Straight |
7mm | 111mm | Straight |
8mm | 114mm | Straight |
9mm | 127mm | Straight |
10mm | 160mm | Straight |
11mm | 160mm | Straight |
12mm | 160mm | 9.52mm |
13mm | 160mm | 9.52mm |
14mm | 160mm | 9.52mm |
16mm | 160mm | 9.52mm |
18mm | 160mm | 9.52mm |
20mm | 160mm | 9.52mm |
22mm | 160mm | 12.7mm |
4)Inch sizes for multi-purpose drill bits
Inch | Total Length | Shank |
3/32" | 2-3/4" | Straight |
1/8" | 2-3/4" | Straight |
5/32" | 3-1/4" | Straight |
3/16" | 3-1/2" | Straight |
7/32" | 3-3/4" | Straight |
1/4" | 4-1/4" | Straight |
9/32" | 4-3/8" | Straight |
5/16" | 4-1/2" | Straight |
11/32" | 5" | Straight |
3/8" | 5-15/16" | Straight |
13/32" | 6-1/4" | Straight |
7/16" | 6-1/4" | Straight |
15/32" | 6-1/4" | 3/8" |
1/2" | 6-1/4" | 3/8" |
9/16" | 6-1/4" | 3/8" |
5/8" | 6-1/4" | 3/8" |
3/4" | 6-1/4" | 3/8" |
7/8" | 6-1/4" | 1/2" |
5) Drilling Instruction
Please follow the speed and technique instructions below
Hardened Steel and Iron 2000—4000 RPM (Lubricant)
Masonry/Concrete 2000—4000 RPM (Percussion)
Stainless Steel 1500—2500 RPM (Coolant)
Glass/Tile/Granite 300—600 RPM
Plastic and Laminates 300—600 RPM
Solid Surface Materials 300—600 RPM
Wood and Composite 500—1000 RPM