OSG Straight Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 5 Flute
The OSG Straight Flute Tap (5/16"-18 UNC) is a straight-flute machine tap for hardened steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 5 flutes (MPN 1005111808). 3G Electric interprets…
SKU 3G-OTH-216450
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Product Description
The OSG Straight Flute Tap (5/16"-18 UNC) is a straight-flute machine tap for hardened steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 5 flutes (MPN 1005111808). 3G Electric interprets this demand and sources the genuine OEM part, supporting your operation across 14 industrial departments with specialist depth in combustion, pumps and controls.
Frequently Asked Questions
What is OSG Straight Flute Tap 1005111808 used for?
This OSG straight flute tap is designed for threading hardened steel. It creates internal threads in tough materials where standard taps wear quickly, commonly used in die and mold making, automotive, and aerospace manufacturing.
What are the specifications of OSG Straight Flute Tap 1005111808?
This OSG tap has a 5/16"-18 UNC thread size, H5 tolerance for 2B-3B class fit, 5 flutes, and a modified bottoming chamfer. The manufacturer part number is 1005111808. It is engineered for threading hardened steel with precision and durability.
Where to buy OSG Straight Flute Tap 1005111808 worldwide?
You can source the OSG Straight Flute Tap 1005111808 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your operations.
How to select the correct OSG tap for hardened steel?
For hardened steel, choose a tap with appropriate geometry and coating. The OSG straight flute tap with modified bottoming chamfer and H5 tolerance is suitable for through or blind holes. Ensure the tap size matches your thread specification and material hardness for optimal thread quality and tool life.
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3G Electric supplies OSG straight-flute machine taps for hardened steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















