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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer - Spiral-Point Extension Taps
OSGSpiral-Point Extension Taps

OSG Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer

The OSG Extension Tap (M4x0.7 Metric) is a spiral-point extension tap with a D4 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is identified by manufacturer…

SKU 3G-OTH-313607

Brand
OSG
Item
Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

OSG
Manufacturer Part Number
1111800301
Type
D4 / 4H-6H, Plug Chamfer, Black Oxide High Speed Steel
Flute
2
View Full Spec Sheet

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 Extension Tap (M4x0.7 Metric) is a spiral-point extension tap with a D4 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is identified by manufacturer part number 1111800301.

Frequently Asked Questions

What is the OSG Extension Tap M4x0.7 used for?

The OSG Extension Tap M4x0.7 is used for threading blind or deep holes in metal parts where standard taps cannot reach. Its extended length allows access to recessed areas in automotive, aerospace, and general machining applications. The 2-flute spiral-point design pushes chips forward for efficient cutting.

What are the specifications of the OSG Extension Tap M4x0.7?

This OSG tap has a metric M4x0.7 thread size with a D4 / 4H-6H tolerance class. It features a plug chamfer, 2 flutes, and is made from black oxide high-speed steel. The manufacturer part number is 1111800301. It is designed for threading blind holes in steel and other materials.

Where to buy the OSG Extension Tap M4x0.7 worldwide?

You can source the OSG Extension Tap M4x0.7 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; we supply genuine OSG tooling for your machining needs.

How to select the correct OSG Extension Tap for a job?

Select the OSG Extension Tap based on thread size (M4x0.7), hole depth, and material. The D4 / 4H-6H tolerance ensures precise fit for metric threads. Use a plug chamfer for blind holes and black oxide HSS for general steel threading. Always match tap flute count and coating to workpiece hardness for optimal tool life.

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. 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 →

Similar products

Matched by specification & description
OSG Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800201). Key specifications — attr1315101: D4 / 4H-6H.
OSG
OSG Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800201). Key specifications — attr1315101: D4 / 4H-6H.
OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800501). Key specifications — attr1315101: D4 / 4H-6H.
OSG
OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800501). Key specifications — attr1315101: D4 / 4H-6H.
OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800401). Key specifications — attr1315101: D4 / 4H-6H.
OSG
OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800401). Key specifications — attr1315101: D4 / 4H-6H.
OSG Extension Tap: M6x1 Metric, D5 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800701). Key specifications — attr1315101: D5 / 4H-6H.
OSG
OSG Extension Tap: M6x1 Metric, D5 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800701). Key specifications — attr1315101: D5 / 4H-6H.
OSG Extension Tap: M6x1 Metric, D5 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800601). Key specifications — attr1315101: D5 / 4H-6H.
OSG
OSG Extension Tap: M6x1 Metric, D5 / 4H-6H, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800601). Key specifications — attr1315101: D5 / 4H-6H.
OSG Extension Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800801). Key specifications — attr1315101: D5 / 4H-6H.
OSG
OSG Extension Tap: M8x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1111800801). Key specifications — attr1315101: D5 / 4H-6H.

More from OSG

View all OSG parts →
OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1295200). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1295200). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295301). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295301). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294801). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294801). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295501). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295501). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294601). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294601). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295701). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295701). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294201). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1294201). Key specifications — attr1315101: H3 / 2B-3B.
OSG Extension Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295401). Key specifications — attr1315101: H3 / 2B-3B.
OSG
OSG Extension Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1295401). Key specifications — attr1315101: H3 / 2B-3B.