HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

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ZHANGJIAGANG FLAME MACHINERY CO.,LTD.

City: yangzhou

Country/Region:china

Tel:86-514-8610819

Contact Person:
Mr.Jerry View Contact Details

HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic

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
Minimum Order Quantity	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

Detailed Product 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.

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

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

Product Tags: hss spiral drill bit TiN Coated 3 Flat hss spiral drill bit Plastic hss tin coated drill bits

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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

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

Real-World Applications

Product Specifications

Packaging Options

Why Choose XRTOOLS 4241 Step Drill Bits?

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