OSG Spiral Point Tap: M8x1.25 Metric, D5 / 4H-6H, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap is a general-purpose spiral-point tap in M8x1.25 metric size, featuring a D5 / 4H-6H tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN 1981300). 3G Electric…
SKU 3G-OTH-215489
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap is a general-purpose spiral-point tap in M8x1.25 metric size, featuring a D5 / 4H-6H tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN 1981300). 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral point tap M8x1.25 used for?
The OSG spiral point tap M8x1.25 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing chip clogging. It is ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral point tap M8x1.25?
The OSG spiral point tap has an M8x1.25 metric thread, D5 / 4H-6H tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 1981300. It is designed for general-purpose threading in through or blind holes.
Where to buy OSG spiral point taps worldwide?
You can source OSG spiral point taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the OSG M8x1.25 tap (MPN 1981300).
How to select the correct OSG tap for a threading application?
To select the correct OSG tap, match the thread size (e.g., M8x1.25), tolerance class (D5 / 4H-6H), and chamfer type (plug) to your hole and material. For through holes, spiral point taps push chips forward. For blind holes, consider spiral flute taps. Consult OSG's technical data for material-specific recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














