OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Extension Tap (5/16"-18 UNC, MPN 1298500) is a spiral-flute extension tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for threading…
SKU 3G-OTH-310966
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The OSG Extension Tap (5/16"-18 UNC, MPN 1298500) is a spiral-flute extension tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for threading operations requiring extended reach.
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is the OSG Extension Tap 5/16"-18 UNC used for?
The OSG Extension Tap is used for threading blind holes in hard-to-reach areas of metal workpieces. Its 3-flute, bottoming chamfer design allows threading close to the bottom of a hole, making it ideal for automotive, aerospace, and general manufacturing applications where extended reach is required.
What are the specifications of the OSG Extension Tap 1298500?
This OSG extension tap has a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of high-speed steel (HSS) and is designed for threading blind holes. The manufacturer part number is 1298500, and it is classified as a spiral-flute extension tap.
Where to buy the OSG Extension Tap 5/16"-18 UNC worldwide?
You can source the OSG Extension Tap 5/16"-18 UNC (MPN 1298500) worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG extension tap for a threading job?
To select the correct OSG extension tap, match the thread size (e.g., 5/16"-18 UNC), chamfer type (bottoming for blind holes), and material (HSS for general steel). Ensure the tap's tolerance (H3 / 2B-3B) aligns with your required thread class. For extended reach applications, choose a spiral-flute design for chip evacuation.
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