OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (MPN 1703601) is a 1/4"-28 UNF spiral-flute tap for steel and stainless steel, featuring a H4 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer. 3G Electric interprets this…
SKU 3G-OTH-218744
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 (MPN 1703601) is a 1/4"-28 UNF spiral-flute tap for steel and stainless steel, featuring a H4 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer. 3G Electric interprets this demand and sources genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 1/4-28 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG 1/4-28 UNF spiral flute tap?
The OSG spiral flute tap (MPN 1703601) has a 1/4-28 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 H4 tolerance ensures fit for 2B or 3B class threads.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG spiral flute tap 1/4-28 UNF (MPN 1703601). We source and deliver to any country.
How to select the correct OSG tap for steel threading?
For threading blind holes in steel, choose a spiral flute tap like this OSG 1/4-28 UNF model. The spiral flutes push chips out of the hole, preventing breakage. Ensure the tap tolerance (H4 / 2B-3B) matches your thread class requirement. Use appropriate cutting fluid for steel to extend tool life.
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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.
