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M-300 oblong grommet cutting and setting dies create a clean oval slot and then roll the grommet for a strong, professional finish. As a result, you get smooth edges and consistent setting on canvas, leather, and fabric. Moreover, separating the cutting and setting steps helps operators work faster with fewer errors.
What’s included
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Cutting dies: top die plus plastic Teflon lower board—no pre-punch required.
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Setting dies: top die plus 12 mm (15/32″) smooth base lower die that curls the grommet and washer together.
Dimensions & fit
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Top dies (cutting and setting): 3/8″ (9.5 mm) smooth shaft
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Cutting lower die: plastic Teflon board (anvil)
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Setting lower die: 12 mm (15/32″) smooth base
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Compatible grommet opening (M-300): 1/4″ × 1-3/16″ (≈ 6.35 × 30.16 mm) ✅ verified
Machine compatibility
The set works with MICRON® TEP-3 and M-3 manual presses, and with the MC-20 pneumatic press. In addition, installation is quick and repeatable, which is ideal for small production runs and repair shops.
Applications
Choose an oblong slot when a strap, tape, or webbing must pass through smoothly. Therefore, these dies are perfect for bag straps, belts, footwear, small leather goods, labels, and light canvas projects. For example, many workshops use M-300 oblong grommet cutting and setting dies to add strap pass-throughs on handbags and cases while keeping a neat, reinforced opening.
Why MICRON®
Precision-machined, hardened components resist wear and keep alignment. Consequently, the dies deliver clean cuts and reliable rolling—job after job—so your results stay consistent over time.
M-300 oblong grommet cutting and setting dies are the practical choice when you need a longer oval opening and a secure set on lighter materials.
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