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Brand: JK Super Drive
JK Super Drive 3.17mm Stub Series HSS Chrome Straight Shank Drill ISI Mark SD7704475 (Pack of 10)
SKU: TI-JS-64792
Delivery By: Mar 4 - Mar 6 
MRP : ₹910 ₹475
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₹475 (Including GST)
MRP : ₹910
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Short Description
JK Super Drive 3.17mm (1/8") Stub HSS Chrome Straight Shank Drills (118°/135°, SD7704475) Pack of 10 for CNC/VMC, steel, alloys, plastic. 49mm rigid length, DIN/ISO standards.
Country of origin: China
Specifications
- Brand: JK Super Drive
- Weight (Approx.) : 80 gm
- Size (mm): 3.17 mm
- Series: Stub
- Type of Product: Straight Shank Drill
- Material Code: SD7704475
- Material: HSS
- Overall Length: 49 mm
- Usage For: CNC & VMC Machine
- Point Angle: 118° & 135°
- Shank Type: Straight
- Size (Inch): 1/8 inch
- Application: Mild Steel, Casting, Forging, Alloy Steels, Plastic, Wood, and All Types of Ferrous & Non-Ferrous Materials
- Finish Type: Chrome
- Name of Manufacturer/Packer/Importer: JK Files and Engineering Limited
- Size (cm): 0.32 cm
- Flute Size: 18 mm
- Standards/Approvals: IS 5100, DIN 1897, BS 328, I.S.O. standards
Description
The 3.17 mm (1/8 inch) HSS Chrome Finish Straight Shank Drill from the JK Super Drive Stub Series is designed for high-rigidity and tight-space drilling. These stub drills, which have a small overall length of 49 mm and a diameter of 3.17 mm, reduce flexing and provide excellent performance on mild steel, castings, forgings, alloy steels, plastics, wood, and all ferrous and non-ferrous materials. They are made of chrome-finished high-speed steel (HSS) and provide outstanding corrosion protection, heat resistance, and chip evacuation. The dual 118°/135° point angles offer a variety of cutting motions, and the straight shank guarantees safe chuck compatibility for CNC, VMC, and handed applications. This 10-piece set is perfect for workshops that need short, since it satisfies IS 5100, DIN 1897, BS 328, and ISO requirements.
Features
:- For accurate drilling in confined locations, the 49 mm length of the stub series design increases rigidity and decreases deflection.
- Under extreme circumstances, high-speed steel (HSS) structure retains its sharpness and offers exceptional heat resistance.
- A chrome coating facilitates smoother chip flow for cleaner holes, lowers friction, and resists corrosion.
- For CNC, VMC, and portable drills, the straight shank provides a firm hold in conventional chucks.
- Performance is optimized for both hard alloy steels and soft plastics/wood using dual point angles (118°/135°).
- In stub form, the short 18 mm flute length strikes a balance between strength and effective chip removal.
Applications
:- Precision drilling for ferrous and non-ferrous metals and alloys using CNC/VMC equipment.
- Short, rigid tools are needed for mild steel, castings, and forgings in the workshop.
- Creating holes in wood and plastic for manufacturing and assembly operations.
- Drilling in confined spaces where flexing is caused by typical jobber lengths.
Usage
:- For vibration-free operation, firmly insert the straight shank into a standard chuck or CNC/VMC collet.
- To maximum penetration efficiency, choose an angle of 118° for ordinary materials and 135° for tougher alloys.
- To take advantage of the reduced friction of chrome finish, use the proper coolant or lubricant and a modest feed rate.
- Use an 18 mm flute and the peck drilling technique to effectively clean chips from deep holes.
- To maintain HSS sharpness and chrome corrosion resistance, clean and store after use.
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