Van Lonzo Black Eccentric Drill, Multi-Size Double-Groove Hex Shank Alloy Black Eccentric Drill Bit Set for Drilling Ceramic Tile, Vitrified Tile, Marble, Granite, Quartz, Artificial Stone
- Overview
- Application
- Advantages
- FAQ
- Recommended Products
Overview
Changshunda Manufacturer Intro
Changshunda Factory is located in Jishan County, Yuncheng City, Shanxi Province, China, professional manufacturer specializing in vacuum brazed diamond drilling & cutting tools. We have complete production lines and strict QC inspection system, support OEM & ODM wholesale customization: custom drill dimension, body color, private logo and package design for global cross-border sellers and hardware importers. Our diamond tools are exported to Europe, Southeast Asia, Middle East and North America all over the world.
1. Product Specification
This Black Eccentric Drill comes with four common sizes to match most daily renovation and hardware maintenance drilling needs. Each Black Eccentric Drill combines eccentric alloy blade tip, deep spiral chip flute and double-groove hexagonal shank, which may fit most mainstream cordless drills and electric screwdrivers on the market. All size data of the Black Eccentric Drill is marked with both mm and inch units for easier reference for global buyers. Each Black Eccentric Drill goes through basic dimensional and surface inspection before delivery, to offer relatively steady drilling performance for daily use. Complete specification data of the Black Eccentric Drill is shown in the framed table below:
| Item | Details |
| Place of Origin | Qinghe Town, Jishan County, Yuncheng City, Shanxi Province, China |
| Brand Name | Van Lonzo |
| Standard Sizes of Black Eccentric Drill | 6mm, 8mm, 10mm, 12mm |
| Certification | CE、EN: 13236 |
| Shank Type | 6.3mm Double-Groove Anti-Slip Hexagonal Shank |
| Tip Material | High Hardness Alloy Eccentric Blade Tip |
| Dimension Reference | Opening Diameter:6/8/10/12mm; Working Length:55/75/80/80mm; Overall Length:98/116/122/122mm; Uniform 6.3mm Hex Shank Diameter |
2. Craft & Performance
Each Black Eccentric Drill is processed via integrated forging and conventional quenching treatment. The core part of the Black Eccentric Drill is its eccentric alloy blade tip, which is made of high-hardness alloy material. This special eccentric structure of the Black Eccentric Drill can scatter partial drilling pressure while working, which may lower the risk of cracking thin and brittle materials such as ceramic tile and glass to a certain extent. The whole body of the Black Eccentric Drill is covered with matte black anti-rust coating, which can slow down surface oxidation and abrasion during repeated use. Deep spiral flutes are processed on the rod of every Black Eccentric Drill, which can help discharge stone dust and drilling scraps smoothly during continuous operation and reduce the chance of bit blockage.
The hexagonal shank of the Black Eccentric Drill adds two anti-slip grooves on the connecting position, creating larger friction contact area with drill chucks. This structural design can help reduce slipping and wobbling during high-speed rotation, supporting more stable operation. The balanced spiral tooth layout of the Black Eccentric Drill can cut down working vibration moderately, which may help produce relatively smooth holes without obvious rough burrs on stone and tile surfaces. Compared with ordinary straight drill bits, the eccentric cutting path of the Black Eccentric Drill may reduce drilling resistance and raise working efficiency to some degree.
Application
The multi-purpose Black Eccentric Drill can be used for multiple decoration and maintenance drilling scenes. As shown on the material matching chart, the Black Eccentric Drill is suitable for processing ceramic tile, vitrified tiles, artificial stone, marble, granite and quartz, which are widely used indoor decorative materials. When carrying out home renovation, this Black Eccentric Drill can complete hole opening for wall-mounted storage, water pipe accessories and electrical switch bases without easy surface cracking of the above stone and tile materials.
For small construction teams and DIY hobbyists, the Black Eccentric Drill can be matched with handheld electric drills and light impact screwdrivers to finish daily hole-making tasks. It can handle small-scale processing work on kitchen countertops, window sills and decorative stone strips. Whether you need to punch mounting holes for household cabinets or process small decorative stone slabs in courtyards, the Black Eccentric Drill can serve as a practical auxiliary drilling tool for your projects.
Advantages
1. Eccentric Alloy Blade Tip: The offset blade head of the Black Eccentric Drill disperses partial drilling pressure, which may decrease the cracking probability of fragile tile and stone materials during perforation.
2. Double-Groove Anti-slip Hex Shank: The dual groove design on the hex shank of the Black Eccentric Drill increases friction with drill chucks, which can relieve slipping and shaking during operation.
3. High Hardness Alloy Tip Material: The alloy cutting head of the Black Eccentric Drill owns decent wear resistance, which may extend the usable service time after repeated drilling work.
4. Deep Spiral Chip Removal Grooves: Enlarged spiral flutes on the Black Eccentric Drill facilitate waste discharge, lowering the possibility of bit clogging during long-time continuous drilling.
5. Complete Daily Standard Sizes: The full set of Black Eccentric Drill covers 6mm to 12mm, matching most common hole diameter demands for household renovation projects.
6. Universal Matching Compatibility: The standard 6.3mm hex shank of the Black Eccentric Drill can adapt to most common cordless drills and screwdrivers available on the market.
7. All-Body Anti-rust Black Coating: The uniform black surface coating of the Black Eccentric Drill can slow rust and abrasion, keeping stable appearance and performance after long storage and use.
FAQ
Q1: What materials can the Black Eccentric Drill work on?
A1: The Black Eccentric Drill is recommended for ceramic tile, vitrified tiles, artificial stone, marble, granite and quartz. It may not perform well on thick reinforced concrete or thick hard metal sheets.
Q2: Can the double-groove hex shank of the Black Eccentric Drill fit cordless screwdrivers?
A2: The 6.3mm hex shank of the Black Eccentric Drill can match most mainstream cordless electric drills and impact screwdrivers for daily use.
Q3: Can we customize logos and packages for bulk orders of the Black Eccentric Drill?
A3: Our factory provides OEM & ODM customization service for bulk purchases of the Black Eccentric Drill, including custom brand logos and exclusive outer packaging design for global wholesale buyers.
Q4: Is cooling water suggested when using the Black Eccentric Drill on tile and stone?
A4: It is advised to add cooling water on the drilling position when using the Black Eccentric Drill on ceramic tile, marble or quartz. Water can lower friction heat, which may reduce the risk of material cracking and slow abrasion of the Black Eccentric Drill.