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A-591 oblong grommet cutting and setting dies create a clean slot and then roll the grommet for a strong, professional finish. Moreover, this set is compatible with MICRON® A-591 and Stimpson® A-591 oblong grommets and washers.
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.
Dimensions & fit
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Top dies (cutting & setting): 3/8″ (9.5 mm) smooth shaft
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Setting lower die: 12 mm (15/32″) smooth base
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Cutting lower die: plastic Teflon board
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Compatible opening (A-591): 5/16″ × 3/4″ (≈ 7.94 × 19.05 mm)
Machine compatibility
Works with MICRON® TEP-3, M-3 (manual) and MC-20 (pneumatic) presses. As a result, installation is quick and repeatable.
Applications
Choose an oblong slot when strap, tape, or webbing must pass through smoothly—ideal for bag straps, belts, footwear, small leather goods, labels, and light canvas.
Why MICRON®
Precision-machined, hardened components resist wear and hold alignment. Therefore, the dies deliver clean cuts and reliable rolling, job after job.
👉 For orders or inquiries, please Contact Us.
👉 For installation tips, visit our MICRON® America – YouTube.

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