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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-217762

Brand
OSG
Item
Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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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
1754108

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is OSG spiral flute tap #4-40 UNC used for?

OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The #4-40 UNC size with modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral flute tap 1754108?

The OSG spiral flute tap MPN 1754108 is #4-40 UNC with H3 / 2B-3B tolerance, 2 flute design, and modified bottoming chamfer. It is intended for threading steel and stainless steel. These specs ensure precise thread fit and chip evacuation in blind holes.

Where to buy OSG spiral flute tap #4-40 UNC worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 1754108 tap.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with appropriate thread size and chamfer type. OSG taps like the #4-40 UNC with modified bottoming chamfer suit blind holes. Ensure the tap tolerance (H3 / 2B-3B) matches your required thread class. Consult OSG technical data for material-specific speeds and feeds.

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 spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This spiral-flute tap is designed for threading #4-40 UNC holes in steel and stainless steel. Its spiral flute design efficiently evacuates chips upward, making it suitable for blind-hole threading applications in machining, tooling, and industrial maintenance
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This spiral-flute tap is designed for threading #4-40 UNC holes in steel and stainless steel. Its spiral flute design efficiently evacuates chips upward, making it suitable for blind-hole threading applications in machining, tooling, and industrial maintenance
Spiral-flute tap for threading blind holes in steel and stainless steel. Features #4-40 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward, preventing clogging during production tapping
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features #4-40 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer. The spiral flute design evacuates chips upward, preventing clogging during production tapping
This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute geometry evacuates chips upward, preventing clogging in deep holes. It features a modified bottoming chamfer for threading close to the bottom of blind holes. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required
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This spiral-flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute geometry evacuates chips upward, preventing clogging in deep holes. It features a modified bottoming chamfer for threading close to the bottom of blind holes. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required
Spiral-flute tap for threading steel and stainless steel. Creates #6-32 UNC internal threads. Features a modified bottoming chamfer and H2 / 2B-3B tolerance class. Suitable for blind-hole applications requiring upward chip evacuation
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Spiral-flute tap with 4 flutes and a modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. The spiral flute geometry evacuates chips upward to prevent clogging. Tolerance class H3 / 2B-3B ensures precise thread fit. Thread size: 5/8"-11 UNC
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Spiral-flute tap with 4 flutes and a modified bottoming chamfer, designed for threading blind holes in steel and stainless steel. The spiral flute geometry evacuates chips upward to prevent clogging. Tolerance class H3 / 2B-3B ensures precise thread fit. Thread size: 5/8"-11 UNC
OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1753608)
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OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1753608)

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