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M6 to M12 (1/4" to 1/2") Rachet T-Tap Wrench Hand Tool Alpha TW12R

As low as $42.500 /each

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SKU: 14TW12TR

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Matching Parts

Cut Drill Tap C.D.T Cutting Lubricant 250ml Bottle Alpha ATL005

Technical Specifications

Specs - Tap Wrench Alpha.pdf Tap & Die Wrench.pdf

More Information
Product	Tap Wrench Alpha
Product Types	Rachet
Size Range	M6 - M12 (1/4 - 1/2")
Size	M6 (6mm)
Material	Alloy Steel
Finish	Zinc Plated
Suitable For	Use with Hand Taps
Wrench Size	1/2"
Country of Origin	China
Brand	Alpha

Dimensional data is a guide only. Tolerance differences exist between brands and batches

Description

M6 (6mm) Tap Wrenches are the hand tool that grips a tap by its square drive shank and provides the leverage to cut an internal thread by hand. Alpha range covers M1 to M38 (1/16" to 1-1/2") across three handle styles - straight bar wrenches for general bench work, T-handle wrenches for hand-held work in tight spaces, and ratchet T-handle wrenches for repetitive tapping where you can't reposition the handle between strokes.

About Tap Wrenches

Tap Wrenches are the hand tool that holds a tap during thread cutting. The two jaws clamp the tap's square drive shank; the handle provides the lever arm. Three handle styles cover different work patterns: bar wrenches (long two-handed handle) for bench work and larger tap sizes; T-handle wrenches (compact T-shaped grip) for hand-held work in tight spaces; ratchet T-handle wrenches for repetitive tapping where lifting the handle between strokes would waste time. Sized in capacity brackets - the smallest TW-00 holds M1 to M6 taps; the largest TW-8 holds M20 to M38. Alpha brand across the BNA range; hardened jaws, chrome-plated handles.

Also known as

Bar Tap Wrench · T-Handle Tap Wrench · Ratchet Tap Wrench · Tap Holder · Tap Spanner

Pairs with

Taps · Cutting Compound · Jobber Drill Bits

Frequently Asked Questions

What is a Tap Wrench?

A hand tool that grips a tap by its square drive shank and provides the leverage needed to cut an internal thread by hand. The two jaws clamp the tap square, and the handle (bar or T-shape) gives the user a long lever arm for steady, controlled rotation.

Without a tap wrench you can't hold a tap straight enough to cut a clean thread. A pair of pliers slips, a hex key only fits one drive size, and a power tool spins the tap too fast and snaps it. The tap wrench is the right tool for the job - cheap, simple, lasts a lifetime.

Bar wrench, T-handle or ratchet T-handle - which do I need?

Bar wrenches (TW-00, TW-0, TW-6, TW-7, TW-8) are the workshop default - two-handed grip, lots of leverage, suits bench work and larger taps. T-handle wrenches (TW-12, TW-14) are smaller and lighter, suit hand-held work in tight spaces. Ratchet T-handle (TW-12R, TW-14R) lets you tap without re-positioning the handle between strokes - faster on production runs.

If you're only buying one wrench, pick a bar wrench sized to the taps you use most. For mixed work, a TW-0 (M3-M13) covers most general tapping needs in a single tool.

What size tap wrench do I need for my tap?

Match the tap wrench capacity range to the tap shank size. The Alpha range covers nine size brackets: TW-00 (M1-M6 / 1/16" to 1/4"), TW-0 (M3-M13 / 1/8" to 1/2"), TW-6 (M6-M20 / 1/4" to 3/4"), TW-7 (M10-M25 / 3/8" to 1"), TW-8 (M20-M38 / 3/4" to 1-1/2"), plus the T-handle and ratchet variants in M3-M6 and M6-M12 brackets.

Picking a wrench that's TOO big for the tap is the common mistake - if the jaws don't close fully on the tap shank, the tap rocks during cutting and you'll snap it. Match the wrench size bracket to your tap's square drive shank.

How do I use a Tap Wrench safely?

Square the tap to the workpiece (use a square if precision matters), apply cutting compound, and rotate clockwise to cut. Back off half a turn every full turn forward to break and clear the chips.

Never force a tap. If it gets tight, back off, clear chips, re-lubricate and continue. Taps are hardened HSS - they snap if you force them, and a broken tap stuck in a hole is a nightmare to remove. Steady hand pressure is the right pace.

Can I drive a tap with a drill or socket wrench instead?

No. Drills spin the tap too fast (taps cut at 50-200 RPM, drills run 500+) and break the tap. Socket wrenches don't grip the square drive correctly - they round off the shank or slip. Use a proper tap wrench for hand tapping.

Production shops use machine taps with a tapping head on a drill press / mill - different tooling, controlled feed, the right RPM. For one-off tapping by hand, the tap wrench is the only correct tool.

What brand are these and what's the standard?

Alpha tap wrenches - Australian-distributed brand, the trade standard at BNA. Hardened jaws hold the tap firmly without slipping; chrome-plated handles resist rust and clean up easily.

Tap wrenches don't have a published international standard like the taps themselves (which are ISO 529). Alpha tap wrenches are sized to grip standard ISO 529 square-shank taps across the range.

About the Brand

Alpha · Sheffield Group · Australian

Alpha is the Sheffield Group's premium drilling, cutting and fastening brand. Australian-owned, Sheffield has supplied industrial and trade markets since 1957 and is one of the country's largest distributors of cutting tools and accessories.

Range: The Alpha range covers Gold Series HSS jobber drill bits, HSS Cobalt drill bits, Bi-Metal Cobalt holesaws, TurboBORE spade bits, heavy-duty timber augers, SDS Plus masonry bits, countersinks, ONSITE+ impact-rated step-tip drill bits, and the ThunderMax range of impact-driven accessories.

Positioning: Premium-quality, production-grade tools at trade pricing. Same-day dispatch from BNA Brisbane.

Resources

Technical library PDFs

For full technical data including key product information, range and a CAD drawing, see our Technical PDFs library.

Measurement conversion calculators

Convert between metric and imperial sizes, gauge to mm, decimal to fraction and TPI to pitch with our measurement conversion calculators.

Pricing & Delivery

Includes GST, a Tax Invoice and Free Standard Delivery anywhere in Australia.

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Disclaimer

Technical data Researched and compiled from numerous industry sources for the sole purpose of providing basic information. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person, and Bolt and Nut Australia is not responsible for any loss, claim or damages arising therefrom. In developing this information, Bolt and Nut Australia has made a determined effort to present it accurately.

Measurements Sizes are taken from supplier catalogues or hand-measured and should be used as a guide. Minor variation between batches is normal. We only stock Alpha for this product; substituting another brand is rare and would always be confirmed with you first.

Product Photos & PDF Data Sheets Represent the product type, not exact size. PDFs are a reference guide only. Specifications may change without notice.

If you see any problems with any of our specifications or you require additional information please contact us.

Delivery

Orders UNDER $30

Weigh less than 500grams

Exceptions: Tools, Kits, Bulky items = Sent as a parcel with tracking

Small orders that fit into the slot of your Letterbox are sent:

FREE with Aust Post Letter delivery with NO TRACKING and delivery between 4-12 business days

Select a Quicker delivery service

$7.00 Parcel Delivery 2-7 business days
From $12.00 Express Delivery 1-4 business days
From $14.00 StarTrack PREMIUM Express Delivery 1-3 business days

Click & Collect - Warehouse pickup

Unit 9, 93 Rivergate Place, Murarrie, QLD

Place your order online and we will have it ready within 2 hours. Call if required sooner
Pickup times between 8am - 4pm, Monday - Friday

Orders OVER $30

Weigh more than 500grams

Included is orders under $30 but weigh more than 500grams or wont fit in the slot of your letterbox

Including Large and Bulky heavy orders are sent:

FREE as a Parcel Delivery WITH TRACKING and delivery between 2-7 business days

Select an Express delivery service

From $12.00 Express Delivery 1-4 business days
From $14.00 StarTrack PREMIUM Express Delivery 1-3 business days

Click & Collect - Warehouse pickup

Unit 9, 93 Rivergate Place, Murarrie, QLD

Place your order online and we will have it ready within 2 hours. Call if required sooner
Pickup times between 8am - 4pm, Monday - Friday

All delivery dates are estimated and depend on stock availability, delivery location, service chosen, size of order, time of year, when order was placed e.g long weekends or sale periods.

Further delivery information can be found on our Delivery page

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Supplier Details

MPN	TW12R
UPC	9342386045468