Basic Info.
Model NO.
Twist Drill Bit
Standard
DIN, JIS, AISI, API
Material
High Speed Steel
Usage
Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
Transport Package
Plastic Box, Skin Card, Blister
Specification
all sizes are available
Product Description
Product Description
3Pcs HSS Step Drill Bit Set
Material HSS ; Cobalt M35 is Available
Size 4-12mm, 4-20mm, 4-32mm ; Inch Size is Available
Flute Number Two Flutes ;Single Flute, Three Flutes are Available
Flute Type Straight Flute ;Spiral Flute is Available
Shank Quick Change Hex Shank ;Three Flats Shank, Round Shank, Double R Shank are Available
Package Wooden Box, Plastic Box, Double Blister, Metal Box, Aluminum Case are Available
Surface Finish TiN ;Bright, Black & Amber, Co-coated, Black Oxide, TiAIN, Black & Bright are Available
Features
1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass,plastics, wood up to a thickness of 5mm.
2. 135° Spilt Point Tip: increases cutting speed with self-centering and the drills do not run off center.
3. A variety of hole diameters can be drilled using only one tool.
4. The dimension of drilled hole is exact.
5. Two Flute Design: provides longer life and better chip removal.
6. Titanium coating provides up to 2 times the life over high speed steel.
7. Only for rotary use.
| Model | Specification | Blade Length | Handle | Total length |
HSS-4241
Straight Groove | (5th)4-12mm | 7mm | 6mm | 42mm |
| (9th)4-12mm | 6mm | 6mm | 50mm |
| (9th)4-20mm | 4.5mm | 8mm | 52mm |
| (15th)4-32mm | 4mm | 10mm | 78mm |
HSS-4241
Spiral Groove | (5th)4-12mm | 7mm | 6mm | 42mm |
| (9th)4-12mm | 6mm | 6mm | 50mm |
| (9th)4-20mm | 4.5mm | 8mm | 52mm |
| (15th)4-32mm | 4mm | 10mm | 78mm |
HSS-6542
Straight Groove | (5th)4-12mm | 7mm | 6mm | 42mm |
| (9th)4-12mm | 6mm | 6mm | 50mm |
| (9th)4-20mm | 4.5mm | 8mm | 52mm |
| (15th)4-32mm | 4mm | 10mm | 78mm |
M35-
Spiral Groove | (5th)4-12mm | 8mm | 6mm | 43mm |
| (9th)4-12mm | 4.5mm | 6mm | 42mm |
| (9th)4-20mm | 4.5mm | 8mm | 52mm |
| (15th)4-32mm | 4mm | 10mm | 78mm |
| Material | hss |
| Specifications | 4-12mm(4,6,8,10,12mm)5step
4-12mm(4,7,6,8,9,10,11,12mm)9step
4-20mm(4,6,8,10,12,14,16,18,20mm)
4-32mm(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm |
| Surface treatment | Titanium plating |
| Shank Type | Triangular handle |
| Weight | 4-12:20g(5step)
4-20:50g
4-32:155g
3pc:225g |
| Packing | OPP bag/Plastic pipe/Bubble Shell Card |
| Quantity(Pieces) | 1-100 | 101-500 | 501-1000 | >1000 |
| Est.time(days) | 4 | 6 | 7 | To be negotiated |
Range of application
material | iron | aluminum | Carbon steel | plastic | 304Stainless steel | Tile wall |
| HSS-4241 | √ | √ | × | √ | × | × |
| HSS-6542 | √ | √ | √ | √ | Undurbale | × |
| HSS-4241 | √ | √ | √ | √ | √ | × |
HSS-CO process 304 stainless steel,1MM thickness can be operated by hand drill,2-3MM thickness can be
Operated on stage. |
| All drill bits must be kept cool during operation otherwise they will burn out easily. |
| HSS-4241 | Machinable 2MM Heavy Iron Plate,Aluminum Plate,5MM Heavy Plastics |
| HSS-6542 | 5mm thick iron plate,aluminium plate and steel plate can be machined |
| HSS-CO/M35 | Aluminum,iron sheet,steel plate and stainless steel with Machinable thickness less than 5MM |
Product Line
Packaging & Shipping
Company Profile
Workshop&Office
Address:
Wangxiang Village, Houxiang, Danbei Town, Danyang City, Zhenjiang, Jiangsu, China
Business Type:
Trading Company
Business Range:
Construction & Decoration, Industrial Equipment & Components, Tools & Hardware
Management System Certification:
ISO 9001
Company Introduction:
Danyang Best Tools Co., Ltd. is located in Houxiang Town, which is honored "the hometown of Tools in China", in purpose of "bringing out excellent products and performing leading service for customer" by mature technology, and constantly bring in advanced experience of production and management. A perfect quality inspection system has been established based on the Quality System Certificate of ISO 9002, as well as achieved administration of networks by setting up the management program of computer information.
We are specializing in producing all kinds of Hardware Tools and a complete set of package with good quality and excellent service. Welcome you to visit our company.
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