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HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
Specifications
Size :
4-20
Name :
hss cobalt Step drill bit
Use :
ceramic materials
Surface :
TIN coated
Shank :
Hex shank
Type :
Twist Drill Bit
Hardness :
HRC62
Process :
Fully Ground
Point angle :
135° degrees/118°degrees
Brand Name :
XRTOOLS
Model Number :
4-20
Certification :
ISO9000
Place of Origin :
JIANG SU
MOQ :
200PCS
Price :
1.45$/PCS
Payment Terms :
T/T, L/C, D/P
Supply Ability :
400,0000Pcs Per Mouth
Delivery Time :
30-45days
Packaging Details :
Plastic box,Double Blister card
Material :
HSS-4241
Description

XRTOOLS 4241 Step Drill Bit – Straight Flute, Multi-Diameter for Metal, Plastic & Wood

Inch Size Spiral Step Drill Bit – TiN Coated HSS, 3-Flat Shank, for Stainless Steel and Plastic


The XRTOOLS 4241 Step Drill Bit is an essential drilling tool designed for fast, efficient, and clean hole creation in thin materials such as sheet metal, plastic, aluminum, plywood, and PVC. Made from durable 4241 high-speed steel, this bit is built for general-purpose use, providing excellent value for DIY enthusiasts, electricians, HVAC installers, and workshop users across U.S. and Russian markets.

Featuring a classic straight flute design, this step bit offers stable drilling, consistent chip removal, and easy resharpening. It's ideal for everyday use where spiral flutes are not required and cost-performance is a top priority.

Real-World Applications

Industry / User Application Details
Electricians Enlarge conduit knockout holes in junction boxes, switchboards, or panels
HVAC Technicians Drill mounting holes in ductwork or lightweight aluminum HVAC components
Plumbers Create entry holes in PVC or plastic drain lines
DIY & Homeowners Make holes for wall anchors, planter drainage, or plastic sheet installations
Auto Mechanics Expand holes in car body panels, clips, or sheet metal components
Workshops & Hobbyists General hole cutting in aluminum sheet, Plexiglas, wood composites, etc.

HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

Product Specifications

Parameter Details
Material HSS 4241
Flute Design Straight Flute – Traditional & Stable
Step Sizes (Metric) 4–12mm / 4–20mm / 4–32mm (e.g., 2mm increment per step)
Step Sizes (Inch) 1/8" – 1/2", 3/16" – 3/4", 1/4" – 1-3/8" (varies by model)
Number of Steps 5, 9, or 13 steps depending on bit size
Tip Angle 118° Standard Point
Shank Type Round / 3-Flat / 1/4" Hex – Compatible with 3/8" or 13mm drills
Markings Laser-etched or engraved size indicators
Max Cutting Thickness Recommended up to 3mm for metal, 5mm for plastic/wood

HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

Packaging Options

Single Retail Pack: Transparent tube or blister card with barcode

Multi-Size Kits: 3pcs / 5pcs in zippered pouch or plastic box (e.g. 4–12 / 4–20 / 4–32 mm)

Bulk Orders: 10 / 25 pcs per size, suitable for wholesale and distributors

OEM Services: Custom logo engraving, bilingual packaging (EN + RU), brand labeling available

Why Choose XRTOOLS 4241 Step Drill Bits?


1.Cost-effective for light to medium-duty drilling tasks

2.Straight flute design offers easy handling for general-purpose use

3. Designed for soft metals, wood, plastic, PVC, aluminum

4.Fits both U.S. and Russian tool systems (imperial + metric)

5.Flexible packaging & private label support for resellers or tool brands

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HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

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Product Detail
Size :
4-20
Name :
hss cobalt Step drill bit
Use :
ceramic materials
Surface :
TIN coated
Shank :
Hex shank
Type :
Twist Drill Bit
Contact Supplier
video
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic
HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

ZHANGJIAGANG FLAME MACHINERY CO.,LTD.

Verified Supplier
6 Years
yangzhou
Since 2018
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
HSS Drill Bit, Drill Bit Set, Masonry Drill Bit
Total Annual :
500-600
Employee Number :
135~150
Certification Level :
Verified Supplier
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