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OSG Extension Tap: M3.5x0.35 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: M3.5x0.35 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer

The OSG Extension Tap (M3.5x0.35 Metric) is a spiral-point extension tap for multiple materials, featuring a D3 / 4H-6H tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction (MPN 1653001408).

SKU 3G-OTH-402455

Brand
OSG
Item
Extension Tap: M3.5x0.35 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1653001408
Type
D3 / 4H-6H, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Extension Tap (M3.5x0.35 Metric) is a spiral-point extension tap for multiple materials, featuring a D3 / 4H-6H tolerance, 3-flute design, plug chamfer, and V coated powdered metal construction (MPN 1653001408).

Frequently Asked Questions

What is the OSG Extension Tap M3.5x0.35 used for?

The OSG Extension Tap M3.5x0.35 is used for threading blind or deep holes in multiple materials, including steel and aluminum. Its extended length reaches recessed areas, while the spiral-point design pushes chips forward. The V-coated powdered metal construction provides wear resistance for production tapping.

What are the specifications of the OSG Extension Tap M3.5x0.35?

The OSG Extension Tap has a metric thread size of M3.5 with a 0.35 mm pitch, a D3 / 4H-6H tolerance class, and a plug chamfer with 3 flutes. It is made of V-coated powdered metal, part number 1653001408. The spiral-point design is for through-hole or blind-hole tapping in multiple materials.

Where to buy the OSG Extension Tap M3.5x0.35 worldwide?

You can source the OSG Extension Tap M3.5x0.35 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 time on this OSG tapping tool.

How to select the correct OSG extension tap for a job?

To select the correct OSG extension tap, match the thread size (M3.5x0.35) and tolerance class (D3 / 4H-6H) to your hole requirements. Choose a plug chamfer for blind holes or a bottoming chamfer for shallow threads. The V-coated powdered metal material suits harder workpieces. Always verify the tap's reach length.

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 spiral-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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