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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-218574

Brand
OSG
Item
Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1732008

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications where clean threads are critical.

What are the specifications of OSG spiral flute tap 1732008?

The OSG spiral flute tap MPN 1732008 is #4-40 UNC with H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. These specs ensure precise thread fit and chip evacuation in blind-hole applications.

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

3G Electric supplies the OSG spiral flute tap #4-40 UNC (MPN 1732008) worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source genuine OSG tooling for industrial customers globally.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG #4-40 UNC. Ensure the tap has H2 / 2B-3B tolerance for proper thread fit. Use cutting fluid and match the tap to the material hardness. 3G Electric can help you select the correct OSG tap for your application.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732001)
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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732001)
OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722001)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722001)
OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722008)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722008)
This OSG spiral-flute tap is designed for threading steel and stainless steel. With a 7/8"-14 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer, it is suitable for blind-hole threading applications where chip evacuation upward is required
OSG
This OSG spiral-flute tap is designed for threading steel and stainless steel. With a 7/8"-14 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer, it is suitable for blind-hole threading applications where chip evacuation upward is required
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 4 flutes and a modified bottoming chamfer for threading close to the hole bottom. Tolerance class H4 / 2B-3B. Thread size 7/8"-14 UNF
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 4 flutes and a modified bottoming chamfer for threading close to the hole bottom. Tolerance class H4 / 2B-3B. Thread size 7/8"-14 UNF
OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1754101)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1754101)

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