Question for the seller: Can I substitute a 7/16" punch in place of the 3/4"?

Depending on what you are punching this may be a mistake. The increased clearance in the parts could lead to the punch getting stuck and you will definitely have more deformation than normal in the parts. There will be a big burr to trim if it goes ok.

What is the smallest size (diameter) coin that can be used?

This is great punch and it will do Us Dimes with smallest punches

Can i use a hammer with this?

You could but by hammering may misshape the end ,thus taking away the ability to flip the coin and punch over to tap the coin off of the punch. I use a 150.00 press. Well worth the investment, it makes ring production fun and not a chore, which is how it should be...

Hard to get coin of after punching, any solutions?

I found using a little oil before you punch it helps and you might have to spray it again after as well.

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Big Self Centering Coin Ring Punch Set, No Spacers Needed, 1/4" 3/8" 1/2" 5/8" 3/4" Punch Sizes

Big Self Centering Coin Ring Punch Set, No Spacers Needed, 1/4" 3/8" 1/2" 5/8" 3/4" Punch Sizes

Product ID: 158797380

Details

Brand
JMM Tech Inc
Color
Clear
Hole Count
5
Item Weight
1.51 kg
Material
hardened tool

🎯Self-centering precision

⚙️5 punch sizes (1/4" to 3/4")

🛡️Heat-treated tool steel durability

NZ$620

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💍 Punch Perfect Coin Rings Like a Pro—No Spacers, No Stress!

BUILT TO LAST - Crafted from heat-treated tool steel for unmatched strength and longevity.
VERSATILE SIZE RANGE - Five punch sizes from 1/4" to 3/4" cover all your coin ring projects.
PROUDLY USA MADE QUALITY - Manufactured in the USA, ensuring premium craftsmanship and reliability.
MADE FOR MAKERS OF ALL LEVELS - Perfect for beginners and pros alike, with clear instructions included.
EFFORTLESS PRECISION EVERY TIME - Domed, threaded lid auto-centers coins—no spacers or guesswork needed.

The Big Self Centering Coin Ring Punch Set features a unique domed, threaded lid that automatically centers coins for flawless punch-outs without spacers. It includes five precision punch sizes (1/4" to 3/4") made from heat-treated tool steel for durability. Designed for coins from 1" to 2" diameter, this USA-made set suits both beginners and professionals aiming to craft perfect coin rings with ease.

Specifications

ASIN	B07XRV4488
Best Sellers Rank	#449,001 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #145 in Center Punches
Brand Name	JMM Tech Inc
Color	Clear
Customer Reviews	4.6 4.6 out of 5 stars (97)
Hole Count	5
Item Weight	1.51 kg
Manufacturer	JMM Technology Inc.
Material Type	hardened tool steel, 4140 steel, tool steel
Model	730
Number of Items	5
Number of Packs	1
Operation Mode	Manual
Part Number	730
Pin Hole Diameter	0.25 inches
Sheet Count	5
UPC	806810511930
Unit Count	5 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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NZ$620

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

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