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Drill Precise Holes with Confidence
The IRWIN UniBit #2 Step Drill Bit, imported from authorized US retailers, provides superior control for drilling precise holes in thin materials. Its single-flute cutting edge and SpeedPoint tip ensure fast penetration and prevent walking, while the 1/4-inch hex shank guarantees a secure grip in your drill chuck. This bit is perfect for Indian workshops tackling projects with stainless steel, copper, brass, aluminum, plastic, and laminates.
Engineered for efficiency, this HSS drill bit creates holes ranging from 3/16" to 1/2" (4.76mm to 12.7mm) in 1/16" increments. The single-flute design minimizes chatter and allows for greater accuracy, making it a reliable choice for both professional tradespeople and DIY enthusiasts across India. Its robust construction ensures durability for repeated use on various materials.
CrowCrowCrow ensures all customs duties and GST are included in the listed price, with delivery via ExpressBox tracked shipping. While local alternatives may offer basic drilling, the IRWIN UniBit's precision engineering and SpeedPoint tip provide a distinct advantage for clean, controlled hole creation in demanding thin-material applications.
Engineered for Precision Drilling
The IRWIN UniBit #2 Step Drill Bit is crafted from High-Speed Steel (HSS) with a single-flute design for superior control and accuracy. Its SpeedPoint tip penetrates quickly and prevents walking, ensuring clean holes every time. The 1/4-inch hex shank provides a secure grip, minimizing slippage during use. This bit is ideal for drilling thin materials like stainless steel, copper, brass, aluminum, plastic, and laminates, offering a reliable solution for intricate metalwork and fabrication projects.
Who It's For vs. Who Should Skip
This step drill bit is perfect for metal fabricators, electricians, plumbers, and DIY enthusiasts in India who need to drill precise, clean holes in thin sheet metals and plastics. It's excellent for creating pilot holes or enlarging existing ones. However, it is not designed for drilling thick materials, hardened steel, or masonry. For such applications, a different type of drill bit specifically rated for those materials would be necessary.
Typical situations where IRWIN UniBit Step Drill Bit 3/16"-1/2" (4.76mm-12.7mm) | Single-Flute HSS for Thin Materials helps — illustrative scenarios, not customer reviews.
A metal fabricator in Delhi needs to drill precise holes for mounting thin sheet metal components.
The IRWIN UniBit #2 Step Drill Bit allows drilling from 3/16" to 1/2" in precise 1/16" steps. Its SpeedPoint tip prevents walking on sheet metal, and the single-flute design ensures clean holes, ideal for accurate assembly.
An electrician in Mumbai needs to create clean entry points for wires in thin plastic junction boxes.
This HSS step drill bit smoothly drills through plastic without cracking. The 1/4" hex shank ensures it stays secure in the drill, providing consistent hole sizes from 3/16" to 1/2" for professional installations.
| Recommended Use | Drilling holes in thin materials like sheet metal and plastic |
| Drilling Capacity | 3/16" to 1/2" (4.76mm to 12.7mm) |
| Drill Chuck Compatibility | 1/4" Hex Shank fits standard chucks and impact drivers |
| Safety Note | Always wear eye protection when drilling. Ensure material is securely clamped. |
| Feature | IRWIN UniBit Step | Others |
|---|---|---|
| Material | High-Speed Steel (HSS) with Black Oxide finish | Varies by brand; may be HSS or coated steel, quality can differ. |
| Drill Size Range | 3/16" - 1/2" (4.76mm - 12.7mm) in 1/16" steps | Often metric sizes, range may vary; step increments can differ. |
| Tip Design | SpeedPoint tip for fast penetration and anti-walking | Standard point or split point; may be prone to walking. |
| Shank Type | 1/4" Hex Shank for secure grip | May be round shank or hex shank; quality of grip varies. |
| Control & Precision | Single-flute design for greater control and cleaner holes | Multi-flute designs may offer faster cutting but less control on thin materials. |
| SKU | zmy4705 |
| GTIN | 00038548101026 |
| Brand | IRWIN |
| Model Number | 10232 |
| Part Number | 10232 |
| Material | High Speed Steel (HSS) |
| Color | Multi |
| Shank Type | Hex |
| Shank Diameter | 0.25 inches (6.35 mm) |
| Drill Size Range | 3/16" - 1/2" (4.76mm - 12.7mm) |
| Step Increments | 1/16" |
| Number of Steps | 6 |
| Flute Type | Single-Flute Step |
| Tip Type | SpeedPoint |
| Finish Type | Black Oxide |
| Item Weight | 1 ounce (28.35 g) |
| Dimensions (L x W x H) | 6 x 3 x 0.5 inches (15.24 x 7.62 x 1.27 cm) |
| Surface Recommendation | Aluminum, Brass, Copper, Plastic, Stainless Steel, Steel, Wood |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About IRWIN
IRWIN Tools is renowned for its durable and high-performance hand tools and power tool accessories, trusted by professionals worldwide.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
IRWIN UniBit Step Drill Bit 3/16"-1/2" (4.76mm-12.7mm) | Single-Flute HSS for Thin Materials
3,701
This item
IRWIN UniBit Step Drill Bit 3/16"-1/2" (4.76mm-12.7mm) | Single-Flute HSS for Thin Materials
3,701
Total price:
16,360
You save 7,520 (31%) Extra3 items selected
3 items
16,360You save 7,520 (31%) Extra
| Attributes | Current |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 3,701 7,630 | 6,354 8,212 | 6,305 8,038 | 3,680 4,109 | 5,449 6,568 | 7,004 11,114 | 2,530 3,913 |
| Rating | 4.60(634) | 4.60(634) | 4.50(340) | 4.70(28K+) | 5.00(12) | 4.60(58K+) | 4.10(61) |
| Brand Name | IRWIN | IRWIN | Eagle Abrasives | ACCUSHARP | Sorority Shop | Contigo | PARTS4EV |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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