Which is the maximum thickness that it can cut? We need to cut a 2mm soft wood

Not rated for 2mm of anything. You need to check out something like Amazon IDs B01LERLATW or B0024M5GH4. If one translates the packaging, one will find that the punch is rated for three (3) sheets of 64 g/m² standard office paper (between 2 and 3 sheets of standard 20 LB copy paper for Americans). I have found that in a pinch it will cleanly punch corners on 5mm laminate (as long as there is no paper in the corner just the laminating material). That is really pressing it to the limits but in a pinch... Also, learned the hard way that dropping it may knock the punch head out of alignment. In other words, the punch cannot be pressed down. DON'T force it if it won't press down under normal pressure. That will only permanently damage the punch. Flip the punch over and remove the chad cover. You will find the three punch dies are spring-loaded. If you carefully hold them all back (towards the outer edge of the punch) and at the same time work the punch head back down, this should restore normal operation. The punch head edges overlap the bottom dies in normal operation to ensure the best cutting performance. It is a great design. Kudos to the designers for a design fairly easy to assemble and repair.

Will this cut 10 mil thick laminated paper?

Yes it will. We cut 12mil plastic.Maximum we did was laminated on both sides 16pt paper.Id does NOT cut 32pt double layer paper, even though you can fit it in. Probably if you push harder... but I was afraid to break the handle.

Does this work on thin sticker paper? I've tried several different punchers and my sticker paper gets stuck.

If some excessive paper are stuck, I recommend by cleaning it. First take out all the excessive paper that is stuck. Then sharpen the blade again by simply using aluminum foil. Hopefully, that helps.

Will this cut through cardstock that is folded? I need to make wedding fans and want to round the corners.

No. Not folded with layers upon layers of thick paper. Just to clarify another comment saying this is “defective”. These aren’t defective, it states what it can handle cutting, which is .4mm. That’s like a single layer of 90-100lb cardstock. Folded fans would be a lot more than that. I am able to get this to cut through card stock, but even heavy card stock in single layers can take more pressure to get through it. This is is a hand held punch, not an expensive (they cost hundreds if not thousands) print shop sturdy punch or stack cutter that can punch or cut really thick stacks of paper. This is a simple craft grade paper punch. It can handle punching greeting card thickness. Anything more and you will have to press fairly hard.

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✂️ Cut corners like a pro, because details matter!

ROBUST RELIABLE BUILD - Crafted from ABS, stainless steel, and steel for long-lasting performance.
TAILORED PRECISION CUTS - Choose from 3mm, 5mm, or 8mm rounded corners for flawless finishing.
AFFORDABLE PRO LEVEL TOOL - Get professional corner cutting without breaking the bank.
COMPACT LIGHTWEIGHT DESIGN - Portable 3.9oz tool fits perfectly on your desk or in your bag.
PROFESSIONAL GRADE SHARPNESS - Cuts through laminated materials up to 100 microns with surgical precision.

The Sunstar Stationary Corner Cutter Kadomaru PRO S4765036 is a compact, lightweight tool designed for professional-quality rounded corner cuts on laminated materials and business cards. Featuring three precise cutting diameters (3mm, 5mm, 8mm) and a durable construction from ABS, stainless steel, and steel, it delivers sharp, clean edges on materials up to 100 microns thick. Ideal for office professionals seeking affordable precision and a polished finish.

Reviews

C**S

Cutting corners with ease

This is a great item.With 3 different corner cutting sizes. Small, medium and large. And a well built, solid construction, this corner cutter can soften the edge of thick paper or laminate. The cutting motion is easy on the hands / fingers and after nearly 2 hours of corner cutting laminated sheets, this user's hands and fingers suffered very little.A well worthy purchase for any school, design studio or office environment.

3.04.2025

ニ**ー

作業もはかどり、ケガ防止の秀逸品です‼︎

最初は学校での掲示物に使いました。角がまぁるくなって、危険がなくなりとにかく何にでも使えました。厚紙でも使えます。値段も安く、職場と家とで買い増ししました。シンプルな仕組みで、角の大きさも3種類ありとても便利です♪ 考えた人に大絶賛の拍手‼︎

3.05.2025

A**＃

簡単に角を丸く加工できて便利、オフィスや工作に最適

サンスター文具のコーナーカッターかどまるPRO（S9486950）を購入しました。書類やカード、写真などの角を簡単に丸くカットでき、見た目がきれいになるので便利です。操作も軽く、力を入れずにスムーズにカットできるのが嬉しいポイントです。コンパクトでデスクに置きやすく、オフィスや家庭での工作にも使いやすいです。

10.09.2025

み**ん

クリアファイルの角も簡単に丸く

これは便利！クリアファイルの角も簡単にカットできました！

13.08.2025

A**ー

使いづらい。

きれいによく切れるのですが、苦言を2つほど。紙の先が少し曲がっているだけで、あさっての方向に入ってしまう。3種類の角丸寸法がミリではなくS/M/Lとなっている。これでは基準値がわからないため直感的に使いづらい。改善を望みます。

7.08.2025

も**じ

ニッチな需要に応えてくれる

やりたかったことやらせてくれるピンポイントな便利商品。

31.07.2025

K**K

申し分なし。楽々綺麗

ラミネートの角を落とすのに購入。後続機Neoのせいか700円(購入当時)という値段もありがたい。これまではさみでやってたけどどうしてもいびつになってた。これなら神経使わずに綺麗に丸角が作れる。力も要いらず。

17.08.2025

濱**紀

便利

使いやすく角を落とすのにとても便利以前はハサミで切っていたが大きさにバラつきがでて気になっていましたコレを使い出して簡単かつ正確に角を落とせるのに大満足です

18.08.2025

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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Brand	サンスター文具(Sun-Star Stationery)
Model Number	S4765036
Color	PRO
Material Type	Metal
Fastener Capacity	100ミクロン
Number of Items	1
Size	Body size: 103 x 186 x 53 mm, 131 g
Sheet Size	100 micron
Number of Holes	1
Included Components	No
Product Dimensions	7.8 x 9.4 x 5 cm; 39.97 g
Application type	Indoor

Sunstar Stationary Corner Cutter Kadomaru PRO S4765036

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