| Customization: | Available |
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| Customized: | Customized |
| Standard: | Fat |
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Step Drill Manufacturer
| Material | HSS4241,HSS4341,M2,M35 |
| Style | Straight Flute,Spiral Flute |
| Shank | 3-Way Clamping (Hex Shank Size 1/4" Inch (6.35 mm),Round Shank are available) |
| Surface | Titanium Coated(Bright,Amber Color are available) |
| Package | in Plastic Box, Double Blister Card, Metal Box,Storage Bag of 3 |
| Measurement System | 1/4" - 1 3/8",3/16"-7/8",1/4"-3/4",1/8"-1/2",3/16"-1/2" |
| Applications | Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, bronze, aluminum etc |
| Description | The split point tip increases cutting speed with self-centering and prevents walking 2 flute spiral design provides longer life and better chip removal. |
A step drill bit is a specialized cutting tool used primarily for drilling holes in thin materials like sheet metal, plastic, or wood. Unlike traditional drill bits that create a single-sized hole, a step drill bit has multiple graduated steps of increasing diameter, allowing it to drill holes of different sizes with a single bit.
Multiple Steps - Each "step" corresponds to a specific diameter, enabling the user to drill progressively larger holes without changing bits.
Conical Shape - The bit tapers from a small diameter at the tip to larger diameters toward the base.
Flute Design - Often has spiral flutes or grooves to help remove chips and reduce heat buildup.
Material Compatibility - Works best on thin materials (e.g., sheet metal, aluminum, PVC) but is not ideal for thick or hard materials like steel or hardwood.
Deburring Edge - Many step bits have built-in deburring edges to smooth the hole after drilling.
Versatility - One bit can drill multiple hole sizes.
Cleaner Holes - Produces smoother, burr-free edges compared to standard twist bits.
No Slipping - The conical shape helps center the bit, reducing wandering.
Time-Saving - Eliminates the need to switch between different drill bits.
Electrical work (enlarging conduit holes)
HVAC (ductwork modifications)
Automotive (sheet metal fabrication)
Plumbing (PVC pipe adjustments)
Not suitable for deep or large-diameter holes in thick materials.
More expensive than standard drill bits.
Limited to the step sizes available on the bit.
Step drill bits are commonly used with cordless drills or drill presses at moderate speeds to prevent overheating. They are a go-to tool for professionals and DIYers working with thin materials requiring precise, clean holes.
Would you like recommendations on specific brands or sizes?
| FAQ |
| Q: What can we provide ? |
| A: We are a professional manufacturer of drill bit and have our own packing centre. We have worked together with many good manufactuers of different tools as an exclusive tool club. We can provide our factory direct price for a vast range of products, including power tool accessories, hand tools, combination kits, etc. |
| Q:What is the shipping port? |
| A: We ship the goods via Shanghai/Ningbo/Guangzhou/Yiwu port. |
| Q:How about the sample? |
| A: The samples will be sent to you via express .You can testing quality. |
| Q:How do you control the quality? |
| A: We will make samples before mass production, and mass production will be arranged after samples approved. Doing 100% inspection during production, then do random inspection before packing, taking pictures after packing. |
| Q:Is OEM available? |
| A: Customization(OEM)for our main products is accepted -- Our factory have theQualified Designer team. They can design according to your drawing or pictures,and produce the sample for your checking before order. Please kindly contact our sales staff for quotation. |
| Shipping way |
| 1. Small quantity: by international air express (TNT/FedEx/DHL/UPS for samples or under 45KG wegight goods .) |
| 2. Large quantity: by ocean cargo, arriving time depends on customers destination |
| 3. Customers specifying freight forwarders or not. |
| Our service |
| 1. 24hours online technical support (telephone and email) |
| 2. Engineers are available |
| Please contact with us when you gonna order,we will answer back ASAP. |
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