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

OSG Spiral Flute Tap: M42x4.5 Metric, D12 / 4H-6H, 4 Flute - Oversized Spiral-Flute Taps for Steel & Stainless Steel
OSGOversized Spiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: M42x4.5 Metric, D12 / 4H-6H, 4 Flute

The OSG Spiral Flute Tap (M42x4.5 Metric) is an oversized spiral-flute tap for steel and stainless steel, featuring a D12 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650008908). 3G Electric…

SKU 3G-OTH-213030

Brand
OSG
Item
Spiral Flute Tap: M42x4.5 Metric, D12 / 4H-6H, 4 Flute
Category
Oversized Spiral-Flute Taps for Steel & Stainless Steel
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
1650008908
Type
D12 / 4H-6H, Modified Bottoming Chamfer
Flute
4

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 Flute Tap (M42x4.5 Metric) is an oversized spiral-flute tap for steel and stainless steel, featuring a D12 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1650008908). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. This M42x4.5 metric tap with a modified bottoming chamfer is ideal for deep-hole threading in industrial machining applications.

What are the specifications of the OSG M42x4.5 spiral flute tap?

This OSG tap has a metric thread size of M42x4.5, a D12 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer. It is designed as an oversized spiral-flute tap for steel and stainless steel, with manufacturer part number 1650008908.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like this M42x4.5 spiral flute tap and deliver to your facility. Contact us for pricing and lead time on this item.

How to select the right OSG tap for steel?

Select an OSG tap based on thread size, material, and hole type. For blind holes in steel, a spiral flute tap like this M42x4.5 with modified bottoming chamfer is recommended. Ensure the tap's tolerance class (D12 / 4H-6H) matches your thread fit requirement. Consult OSG's technical data for optimal speeds and feeds.

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 oversized 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Oversized spiral-flute tap for threading steel and stainless steel. Features M48x5 metric thread, D13 / 6H tolerance, 4 flutes, and modified bottoming chamfer. Suitable for through-hole or blind-hole tapping in general industrial applications
OSG
Oversized spiral-flute tap for threading steel and stainless steel. Features M48x5 metric thread, D13 / 6H tolerance, 4 flutes, and modified bottoming chamfer. Suitable for through-hole or blind-hole tapping in general industrial applications
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to hole bottoms. The spiral flute design evacuates chips upward to prevent clogging. Tolerance class D11 / 4H-6H provides controlled thread fit
OSG
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer for threading close to hole bottoms. The spiral flute design evacuates chips upward to prevent clogging. Tolerance class D11 / 4H-6H provides controlled thread fit
Metric spiral-flute tap for threading blind holes in steel and stainless steel. M42x3 thread, D10 / 4H-6H tolerance, 4-flute design with modified bottoming chamfer. Chip evacuation upward prevents clogging, enabling threading close to hole bottom
OSG
Metric spiral-flute tap for threading blind holes in steel and stainless steel. M42x3 thread, D10 / 4H-6H tolerance, 4-flute design with modified bottoming chamfer. Chip evacuation upward prevents clogging, enabling threading close to hole bottom
Spiral-flute tap for threading steel and stainless steel. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Metric thread size M42x1.5, tolerance class D8 / 4H-6H, with 4 flutes for efficient chip evacuation
OSG
Spiral-flute tap for threading steel and stainless steel. Features a modified bottoming chamfer for threading close to the bottom of blind holes. Metric thread size M42x1.5, tolerance class D8 / 4H-6H, with 4 flutes for efficient chip evacuation
Spiral-flute tap for threading blind holes in steel and stainless steel. M42x2 metric thread with D9 / 4H-6H tolerance. Four flutes and modified bottoming chamfer enable chip evacuation and threading close to hole bottom
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. M42x2 metric thread with D9 / 4H-6H tolerance. Four flutes and modified bottoming chamfer enable chip evacuation and threading close to hole bottom

More from OSG

View all OSG parts
Metric oversized spiral-flute tap, M36x4 thread, D11 / 4H-6H tolerance, 4 flutes, modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel; spiral flutes evacuate chips upward to prevent clogging and enable threads close to the hole bottom
OSG
Metric oversized spiral-flute tap, M36x4 thread, D11 / 4H-6H tolerance, 4 flutes, modified bottoming chamfer. Designed for threading blind holes in steel and stainless steel; spiral flutes evacuate chips upward to prevent clogging and enable threads close to the hole bottom
Oversized spiral-flute tap for threading steel and stainless steel. Features M45x4.5 metric thread, D12 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer for through-hole or blind-hole tapping in industrial machining applications
OSG
Oversized spiral-flute tap for threading steel and stainless steel. Features M45x4.5 metric thread, D12 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer for through-hole or blind-hole tapping in industrial machining applications
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 4 flutes to push chips upward, preventing clogging. Metric thread size M39x4 with D11 / 4H-6H tolerance. Suitable for industrial machining applications requiring clean threads in deep holes
OSG
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 4 flutes to push chips upward, preventing clogging. Metric thread size M39x4 with D11 / 4H-6H tolerance. Suitable for industrial machining applications requiring clean threads in deep holes
OSG oversized spiral-flute tap with M48x3 metric thread, D11 / 6H tolerance, 4 flutes, and modified bottoming chamfer. Designed for threading steel and stainless steel, the spiral flute evacuates chips upward, suitable for production tapping in blind holes
OSG
OSG oversized spiral-flute tap with M48x3 metric thread, D11 / 6H tolerance, 4 flutes, and modified bottoming chamfer. Designed for threading steel and stainless steel, the spiral flute evacuates chips upward, suitable for production tapping in blind holes
Oversized spiral-flute tap with M56x5.5 metric thread, D14 / 4H-6H tolerance class, 4 flutes, and modified bottoming chamfer. Designed for threading steel and stainless steel in through-hole or blind-hole applications
OSG
Oversized spiral-flute tap with M56x5.5 metric thread, D14 / 4H-6H tolerance class, 4 flutes, and modified bottoming chamfer. Designed for threading steel and stainless steel in through-hole or blind-hole applications
Oversized spiral-flute tap for threading steel and stainless steel. Thread size 1 3/4"-5 UNC with H11 / 2B-3B tolerance class. Features 4 flutes and a modified bottoming chamfer, enabling chip evacuation upward and threading close to the bottom of blind holes. Suitable for industrial manufacturing and maintenance applications
OSG
Oversized spiral-flute tap for threading steel and stainless steel. Thread size 1 3/4"-5 UNC with H11 / 2B-3B tolerance class. Features 4 flutes and a modified bottoming chamfer, enabling chip evacuation upward and threading close to the bottom of blind holes. Suitable for industrial manufacturing and maintenance applications
This oversized spiral-flute tap from OSG is designed for threading steel and stainless steel. It features a modified bottoming chamfer and 4 flutes, with H12 / 2B-3B tolerance class. Suitable for producing precise internal threads in demanding materials, commonly used in industrial manufacturing and maintenance applications
OSG
This oversized spiral-flute tap from OSG is designed for threading steel and stainless steel. It features a modified bottoming chamfer and 4 flutes, with H12 / 2B-3B tolerance class. Suitable for producing precise internal threads in demanding materials, commonly used in industrial manufacturing and maintenance applications
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. D11 / 4H-6H tolerance allows controlled thread fit after coating or plating. Modified bottoming chamfer enables threading close to the bottom of blind holes
OSG
Oversized spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging. D11 / 4H-6H tolerance allows controlled thread fit after coating or plating. Modified bottoming chamfer enables threading close to the bottom of blind holes