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OSG 1/4"-20 UNC Spiral-Flute Tap, H5 Tolerance, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 1/4"-20 UNC Spiral-Flute Tap, H5 Tolerance, 3 Flute, Bottoming Chamfer

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230521

Brand
OSG
Item
1/4"-20 UNC Spiral-Flute Tap, H5 Tolerance, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
5003505

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG General Purpose Spiral-Flute Taps.

Frequently Asked Questions

What is the OSG spiral flute tap 5003505 used for?

The OSG spiral flute tap 5003505 is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 5003505?

The OSG spiral flute tap 5003505 has a thread size of 1/4"-20 UNC, with an H5 tolerance class suitable for 2B-3B fit. It features 3 flutes and a bottoming chamfer for threading to the bottom of blind holes. The manufacturer part number is 5003505.

Where to buy the OSG spiral flute tap 5003505 worldwide?

You can source the OSG spiral flute tap 5003505 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like the OSG 5003505, to thread close to the hole bottom. Ensure the tap's thread size and pitch match your application. Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
General purpose spiral-flute tap for threading blind holes in steel, stainless steel, and aluminum. The spiral flute design evacuates chips upward to prevent clogging. Thread size 1/4"-20 UNC with H5 tolerance for class 2B-3B fit. Features 3 flutes and a bottoming chamfer for threading to the bottom of blind holes
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General purpose spiral-flute tap for threading blind holes in steel, stainless steel, and aluminum. The spiral flute design evacuates chips upward to prevent clogging. Thread size 1/4"-20 UNC with H5 tolerance for class 2B-3B fit. Features 3 flutes and a bottoming chamfer for threading to the bottom of blind holes
General purpose spiral-flute tap for threading blind holes. Features 3 flutes with a bottoming chamfer for threading to the bottom of holes. H5 tolerance class suitable for 2B-3B fit. Commonly used in automotive, aerospace, and general manufacturing applications
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General purpose spiral-flute tap for threading blind holes. Features 3 flutes with a bottoming chamfer for threading to the bottom of holes. H5 tolerance class suitable for 2B-3B fit. Commonly used in automotive, aerospace, and general manufacturing applications
General purpose spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward to prevent clogging. Thread size 5/16"-18 UNC with H5 tolerance for class 2B-3B fit. Features 3 flutes and a bottoming chamfer for threading to the bottom of blind holes
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General purpose spiral-flute tap designed for threading blind holes. The spiral flute lifts chips upward to prevent clogging. Thread size 5/16"-18 UNC with H5 tolerance for class 2B-3B fit. Features 3 flutes and a bottoming chamfer for threading to the bottom of blind holes
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 5006205)
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OSG spiral-flute tap designed for threading blind holes in ferrous and non-ferrous materials. Features a 1/2"-13 UNC thread size, H5 tolerance for 2B/3B class fit, 3 flutes, and a bottoming chamfer. The spiral flute design evacuates chips upward, making it suitable for bottoming applications where chip clearance is critical
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OSG spiral-flute tap designed for threading blind holes in ferrous and non-ferrous materials. Features a 1/2"-13 UNC thread size, H5 tolerance for 2B/3B class fit, 3 flutes, and a bottoming chamfer. The spiral flute design evacuates chips upward, making it suitable for bottoming applications where chip clearance is critical
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry lifts chips upward, preventing clogging and enabling clean threads to the bottom of the hole. It is suited for general manufacturing applications requiring Class 2B or 3B fit
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This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute geometry lifts chips upward, preventing clogging and enabling clean threads to the bottom of the hole. It is suited for general manufacturing applications requiring Class 2B or 3B fit

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