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OSG Spiral-Flute Tap #4-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer - 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, Modified Bottoming Chamfer

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-217763

Brand
OSG
Item
Spiral-Flute Tap #4-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
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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
1732001

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 spiral flute design evacuates chips upward, preventing clogging, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral flute tap #4-40 UNC?

This OSG tap has a #4-40 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 1732001.

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

3G Electric supplies and delivers OSG spiral flute taps worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time on this #4-40 UNC tap.

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. The spiral flute design clears chips from blind holes. Ensure the tap tolerance (H2 / 2B-3B) matches your thread class requirement for proper fit.

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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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732008)
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OSG Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722001)
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
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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
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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
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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

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