The holes are 2 3/4 inches apart.
According to the manufacturer, the NSN1632563 - 7520001632563 Adjustable Medium-Duty Three-Hole Punch punches 1/4" holes.
We do not stock these replacement parts for the SWI74350, but I did speak with Swingline, and they would would be more than happy to send you some. Please contact them directly: 800-222-6462. Give them this part number "A7074350E," and let them know you need the S paper guides that come with this product. They will send some out to you.
We do not stock a removable chip tray replacement for the UNV74323 12 Sheet Deluxe Two and Three Hole Adjustable Punch.
No. The Swingline® Two-to-Seven-Hole Punch only comes equipped with 3 punch heads for 3-hole punching. The middle head is removable for 2-hole punching. You can purchase additional punch heads for 4-7 hole punching here.
Paper hole punches make it easy bind and store loose documents, reference materials and more. On Time Supplies offers a huge selection of single, two and ,three hole punches, and even 6 and 7 hole punches. We also offer hole punchers in a range of capacities and capabilities, and from a variety of hole punch manufacturers, including adjustable Swingline heavy duty hole punches. You save money when you order your punches in bulk at On Time Supplies, thanks to our bulk order discounts. Take advantage of fast shipping from On Time Supplies to get your punches in as little as a day. If you need more information on the supplies featured at On Time Supplies, or of GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.