Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
Open black case containing 40-piece metric tap and die set with tools including taps, dies, wrenches, and gauges.
Close-up of a precision CNC-machined steel thread with heat treatment and polishing processes.
A man holds a black portable carrying case for a 40-piece metric tap and die set.
Black 40-piece metric tap and die set in PE case with dimensions 12.4 x 7.87 x 1.57 inches.
Hexagonal vs traditional round dies showing 50% increased working area and force distribution.
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
40-piece metric tap and die set in bearing steel, sizes M3 to M12, with case.
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
Open black case containing 40-piece metric tap and die set with tools including taps, dies, wrenches, and gauges.
Close-up of a precision CNC-machined steel thread with heat treatment and polishing processes.
A man holds a black portable carrying case for a 40-piece metric tap and die set.
Black 40-piece metric tap and die set in PE case with dimensions 12.4 x 7.87 x 1.57 inches.
Hexagonal vs traditional round dies showing 50% increased working area and force distribution.
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
40-piece metric tap and die set in bearing steel, sizes M3 to M12, with case.

Bostome 40-Piece Metric Tap and Die Set M3-M12 Bearing Steel

SKU: 800000113453-4236-US
Availability: In stock
$51.15
$51.15
Subtotal: $51.15
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.

Bostome 40-Piece Metric Tap and Die Set M3-M12 Bearing Steel

$51.15
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
Open black case containing 40-piece metric tap and die set with tools including taps, dies, wrenches, and gauges.
Close-up of a precision CNC-machined steel thread with heat treatment and polishing processes.
A man holds a black portable carrying case for a 40-piece metric tap and die set.
Black 40-piece metric tap and die set in PE case with dimensions 12.4 x 7.87 x 1.57 inches.
Hexagonal vs traditional round dies showing 50% increased working area and force distribution.
Open black case containing 40-piece metric tap and die set in bearing steel, sizes M3 to M12.
40-piece metric tap and die set in bearing steel, sizes M3 to M12, with case.

Bostome 40-Piece Metric Tap and Die Set M3-M12 Bearing Steel

$51.15
Description
Description
x

You know the frustration when stripped threads stop your project dead in its tracks. As a busy DIYer or mechanic, that unexpected snag means wasted time and money, pulling you away from what matters most.

Without reliable tools, standard sets dull fast, creating rough, misaligned threads that weaken connections and force you to scrap good material. One faulty thread can derail your entire build, leading to costly rework or delays that eat into your schedule and budget. It's disheartening when poor-quality hand tools turn a simple fix into a major headache.

That's where Bostome's 40-Piece Metric Tap and Die Set steps in as your trusted solution. Crafted from durable bearing steel (HRC55-62), each piece is CNC-machined, triple-heat-treated, and double-polished for precise, smooth cuts on materials like stainless, aluminum, and carbon steel. This comprehensive kit covers M3-M12 with 17 matched pairs, plus wrenches, gauges, and a hexagonal die for even torque—preventing breakage and ensuring straight threads every time. The compact PE case keeps everything organized and ready in your toolbox.

Restore your projects with confidence. Add the Bostome set to your cart today and get back to smooth, efficient work.

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