Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG Spiral Point Tap: M18x2.5 Metric, D7 / 4H-6H, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: M18x2.5 Metric, D7 / 4H-6H, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (M18x2.5 Metric) is a general purpose spiral-point tap with a D7 / 4H-6H tolerance, 3 flutes, plug chamfer, and high-speed steel construction (MPN 1983500). 3G Electric interprets demand and…

SKU 3G-OTH-214794

Brand
OSG
Item
Spiral Point Tap: M18x2.5 Metric, D7 / 4H-6H, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1983500
Type
D7 / 4H-6H, Plug Chamfer, High Speed Steel
Flute
3

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (M18x2.5 Metric) is a general purpose spiral-point tap with a D7 / 4H-6H tolerance, 3 flutes, plug chamfer, and high-speed steel construction (MPN 1983500). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG spiral point tap M18x2.5 used for?

The OSG spiral point tap M18x2.5 is used for threading blind or through holes in metal, particularly in production environments. Its spiral point design pushes chips forward, reducing chip clogging. It is suitable for general-purpose tapping in steel, cast iron, and non-ferrous materials.

What are the specifications of the OSG spiral point tap M18x2.5?

The OSG spiral point tap has a metric M18x2.5 thread, D7 / 4H-6H tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 1983500. It is designed for general-purpose tapping in through or blind holes.

Where to buy the OSG spiral point tap M18x2.5 worldwide?

You can source the OSG spiral point tap M18x2.5 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG spiral point tap for M18x2.5 threads?

To select the correct OSG spiral point tap, match the thread size (M18x2.5) and tolerance class (D7 / 4H-6H) to your application. Ensure the tap has a plug chamfer for through holes and high-speed steel for durability. OSG taps are precision-ground for consistent performance.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This spiral-point tap is designed for general-purpose threading of through or blind holes in metals such as steel, aluminum, and cast iron. Its spiral point geometry pushes chips forward to reduce clogging during production tapping. The tap features a M20x2.5 metric thread, D7 / 4H-6H tolerance, plug chamfer, and 3-flute design in high-speed steel
OSG
This spiral-point tap is designed for general-purpose threading of through or blind holes in metals such as steel, aluminum, and cast iron. Its spiral point geometry pushes chips forward to reduce clogging during production tapping. The tap features a M20x2.5 metric thread, D7 / 4H-6H tolerance, plug chamfer, and 3-flute design in high-speed steel
OSG Spiral Point Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983800)
OSG
OSG Spiral Point Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983800)
OSG Spiral Point Tap: M20x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983600)
OSG
OSG Spiral Point Tap: M20x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983600)
OSG Spiral Point Tap: M3.5x0.6 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1982200)
OSG
OSG Spiral Point Tap: M3.5x0.6 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1982200)
OSG Spiral Point Tap: M18x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983400)
OSG
OSG Spiral Point Tap: M18x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1983400)
OSG Spiral Point Tap: M10x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1982700)
OSG
OSG Spiral Point Tap: M10x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1982700)

More from OSG

View all OSG parts
M3x0.5 metric spiral-point tap with D3 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. Features 2 flutes for efficient chip evacuation in through-hole threading. Suitable for general-purpose threading of steel and non-ferrous materials
OSG
M3x0.5 metric spiral-point tap with D3 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. Features 2 flutes for efficient chip evacuation in through-hole threading. Suitable for general-purpose threading of steel and non-ferrous materials
This spiral-point tap is designed for cutting internal threads in through-hole applications. The spiral point geometry pushes chips ahead of the tap, reducing clogging and breakage. Suitable for general-purpose threading in metals and alloys
OSG
This spiral-point tap is designed for cutting internal threads in through-hole applications. The spiral point geometry pushes chips ahead of the tap, reducing clogging and breakage. Suitable for general-purpose threading in metals and alloys
General purpose spiral-point tap for through-hole threading. M16x2 thread, 6H tolerance, plug chamfer, 3 flutes. Made from black oxide vanadium high-speed steel for reduced friction and wear resistance. Suitable for threading in ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. M16x2 thread, 6H tolerance, plug chamfer, 3 flutes. Made from black oxide vanadium high-speed steel for reduced friction and wear resistance. Suitable for threading in ferrous materials
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 2-flute design with plug chamfer and black oxide high-speed steel construction. The spiral point pushes chips ahead, reducing clogging for faster production in CNC and manual tapping applications
OSG
General purpose spiral-point tap for threading blind or through holes in ferrous and non-ferrous materials. Features a 2-flute design with plug chamfer and black oxide high-speed steel construction. The spiral point pushes chips ahead, reducing clogging for faster production in CNC and manual tapping applications
General purpose spiral-point tap for through-hole threading. 1/2"-13 UNC thread size, 2B class of fit, plug chamfer, 3-flute design. Made from black oxide vanadium high-speed steel. Pushes chips forward to reduce clogging in ferrous materials
OSG
General purpose spiral-point tap for through-hole threading. 1/2"-13 UNC thread size, 2B class of fit, plug chamfer, 3-flute design. Made from black oxide vanadium high-speed steel. Pushes chips forward to reduce clogging in ferrous materials
General purpose spiral-point tap for through-hole threading. Features a plug chamfer, black oxide high-speed steel construction, and 2 flutes. Tolerance H3 / 2B-3B. Suitable for threading ferrous and non-ferrous materials in applications requiring UNC threads
OSG
General purpose spiral-point tap for through-hole threading. Features a plug chamfer, black oxide high-speed steel construction, and 2 flutes. Tolerance H3 / 2B-3B. Suitable for threading ferrous and non-ferrous materials in applications requiring UNC threads
General purpose spiral-point tap with 5/8"-18 UNF thread, H5 tolerance for 2B/3B class fit. Features a plug chamfer, 3 flutes, and TiN-coated high-speed steel construction. Suitable for through-hole threading in ferrous and non-ferrous materials
OSG
General purpose spiral-point tap with 5/8"-18 UNF thread, H5 tolerance for 2B/3B class fit. Features a plug chamfer, 3 flutes, and TiN-coated high-speed steel construction. Suitable for through-hole threading in ferrous and non-ferrous materials
General purpose spiral-point tap for threading blind or through holes in metal components. Features TiCN coated high-speed steel, plug chamfer, and 2-flute design. Thread tolerance H2 / 2B-3B. Suitable for high-speed production environments requiring forward chip evacuation
OSG
General purpose spiral-point tap for threading blind or through holes in metal components. Features TiCN coated high-speed steel, plug chamfer, and 2-flute design. Thread tolerance H2 / 2B-3B. Suitable for high-speed production environments requiring forward chip evacuation