OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704008).
SKU 3G-OTH-218017
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (5/16"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704008).
Frequently Asked Questions
What is the OSG spiral flute tap 1704008 used for?
The OSG 1704008 spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general machining applications.
What are the specifications of the OSG 5/16-24 UNF spiral flute tap?
This OSG tap has a 5/16-24 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1704008.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1704008 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine OSG cutting tools for steel and stainless steel threading applications.
How to select the correct OSG tap for stainless steel?
For stainless steel, choose a spiral flute tap with a modified bottoming chamfer, like the OSG 1704008, to manage chip evacuation in blind holes. Ensure the tap has H4 / 2B-3B tolerance for precise thread fit. Always match the tap to the material hardness and hole depth for optimal tool life.
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Common applications for OSGOSG 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.
