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

OSG Spiral-Flute Taps for Steel & Stainless Steel. Specifications: Model: Spiral Tap: #4-40 UNC, H3 / , 3.

SKU 3G-OTH-218945

Brand
OSG
Item
Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 3 Flute
Part Number
0135708
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Also known as:0135708OSG
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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
0135708
Model
Spiral Tap: #4-40 UNC, H3 / , 3

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel. Specifications: Model: Spiral Tap: #4-40 UNC, H3 / , 3.

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 and enabling clean threads in deep or blind applications. It is commonly used in automotive, aerospace, and general machining.

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

This OSG tap is #4-40 UNC with a H3 / 2B-3B thread tolerance, 3 flutes, and a bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 0135708. It is suitable for blind hole applications where chip evacuation is critical.

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 to ensure your order reaches any global destination. Contact us for availability and lead time on this and other OSG threading tools.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with a bottoming chamfer for blind holes. Ensure the thread size and tolerance (e.g., #4-40 UNC H3 / 2B-3B) match your application. OSG taps are engineered for chip evacuation and thread quality in steel and stainless steel. Confirm material hardness and tap coating for optimal performance.

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
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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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