Choosing the right paper drill or hole punch for your shop

Volume and pattern mix decide the machine class

The line between single-spindle and multi-spindle isn't about volume alone. It's about how often the hole pattern changes. A shop running one-hole and two-hole jobs that shift from ticket to ticket, or short-run work where setup time competes with drill time, does better on a single-spindle machine. The Challenge JF, with its foot pedal and automatic side-guide trip, earns its keep on exactly that kind of variable work. The Handy Drill covers similar ground on smaller footprints or lower daily counts.

Once a shop settles into a recurring three-hole pattern (manuals, binders, standard report sets), the math flips. Drilling three holes one spindle at a time on a JF costs real labor across a few thousand lifts a month, and that's when the EH-3 hydraulic three-head starts paying for itself. We tell shops to look at how many lifts per week actually run that fixed pattern, not total drilling volume, before they step up.

The MS-5 and MS-10 belong to a different conversation: high-volume binderies drilling repeated patterns across long runs, where the labor saved per stroke across ten holes instead of one or three changes the shop's throughput math. A shop that only occasionally needs more than three holes has no business on an MS-10. We've seen that machine sit half-idle in shops that bought for a job they ran twice.

Floor space and utility service get underestimated

A tabletop Handy Drill or a JF fits in a corner with almost no planning. The hydraulic multi-spindle drills are a different install. Beyond the footprint of the machine itself, shops need to plan for backgauge travel, chip collection access, and clearance to service the hydraulic unit without moving the drill off the shop floor. Electrical service is the detail that trips up more shops than floor space does. If your building runs single-phase only, confirm that before you commit to an MS-10 spec sheet, because adding three-phase service to a shop that doesn't have it is its own line-item cost.

Operator skill and staffing reality

The manual single-spindle drills run fine with rotating staff: foot pedal, side guide, done, no real training curve. The multi-spindle hydraulics reward an operator who understands drill depth, cutting-block wear, and heat management, especially once you're running coated stock or laminated covers through the machine. Shops that put an experienced bindery operator on an MS-5 or MS-10 get clean holes and long cutting-block life. Shops that rotate whoever's free onto it tend to be the ones whose bits and blocks come back through our service department scorched or ragged well ahead of schedule.

Job mix: stock and format drive the real decision

Uncoated stock at moderate lift heights is forgiving on almost any of these machines. Coated sheets, laminated covers, and synthetic stocks are not. Those materials build heat fast, and a full 2-1/2-inch lift that works fine on offset stock can glaze on synthetic covers. On mixed-stock shops we recommend keeping lift heights conservative rather than buying a bigger-capacity machine and expecting it to cover every substrate at full stack height. Drill wax, sharp coated bits, and shorter lifts solve more coated-stock problems than a higher-capacity machine does.

Total cost of ownership over three to five years

The upfront price gap between a JF and an MS-5 is real, but it's not where the cost of ownership shows up. Consumables (bits, cutting blocks, wax) run predictably across all these machines, so that's not usually the deciding factor. What actually separates a good purchase from a bad one is whether the shop bought capacity it uses every week or capacity it uses twice a year. An MS-10 bought for a peak season job and idle the other ten months costs more in tied-up capital and floor space than a JF that runs flat out year-round. As authorized dealers carrying the Challenge line, our factory-trained techs install and service every model on this page, and the install itself, particularly on the hydraulic multi-spindle units, is worth doing right the first time given the electrical and clearance requirements involved.

Common paper drill and hole punch problems and how to fix them

The drill bit snaps or breaks partway through a lift

This is the failure that generates the most service calls on every Challenge drill we support, from the Handy Drill up through the MS-10. A dull bit is the major cause of drill breakage and production tie-ups; usually after three hours of drilling, depending on the type of paper being processed, the bit should be sharpened. The second most common cause is packed or fused chips inside the bit rather than the edge itself. A dirty or rusty drill won't allow the free upward passage of chips, and pressure built up by a clogged drill will split or break it. Coated or varnished stock makes this worse: on jobs where coated or varnished stock has been drilled, the coating on the chips frequently fuses them into one solid mass when the drill cools, causing breakage the next time the drill is used.

To confirm which one you're dealing with, pull the bit and look at the cutting edge under light. A rounded or shiny edge means it's dull. If the edge looks fine but the bore is packed with a hardened plug of chips, that's a cleaning problem, not a sharpening problem, and it's common after perfect-bound or glue-line work.

Fix: sharpen or swap the bit, then clean the bore with a brush and solvent before the next run. Sharpen every three to four hours of actual drilling time as a baseline, shorten that interval on hard or abrasive stock, and clean chips out of the bit immediately after every job, especially anything coated or glued. This is a routine in-house task, not a service call: the honing tool that ships with the Challenge sharpener kit is all it takes.

Holes come out ragged, scorched, or glazed on coated or UV stock

We hear this one specifically on heavier coated cover stock, and it usually shows up as holes that look fine on the top sheets and degrade through the lift. The cause is almost always heat: a dull bit generating friction, a table rise speed set too slow, or a cutting block that isn't making clean contact. Confirm it by checking bit sharpness first, then check that the cutting block is "kissing" the bit rather than being crushed against it, since over-tight block contact generates the same glazing symptom as a dull bit. Table speed matters more than most operators expect: the table should be brought up as rapidly as possible to let the drills cut through the paper cleanly, and the vertical table guide should be adjusted to return the table to the down position as rapidly as possible to avoid spinning the drills in the stock.

Fix: resharpen or replace the bit, reset table rise speed to the fastest setting that still cuts cleanly, and replace the cutting block if it shows grooving. On coated and synthetic stocks, add a lubricant stick to the cycle. This is operator-correctable in almost every case. If you've replaced the bit and the block, and confirmed table speed, and the holes are still tearing, that points to a table alignment or spindle problem underneath the symptom, and that's when it's worth a service call rather than continuing to burn through consumables.

Chip cups fill up and the drill starts jamming or breaking bits mid-run

This shows up most on the multi-spindle machines (EH-3, MS-5, MS-10) because they're clearing chips from several holes per stroke instead of one. The chip collector cups around the spindle include a sight gauge that shows when the cups are full and need to be emptied. The cups are also safety covers with interlock switches. When operators skip checking that gauge, chips back up into the bit and you get the same breakage pattern as a clogged single-spindle drill, just across multiple heads at once.

Confirm by checking the sight gauge on each cup before troubleshooting anything else. If it's near full, that's your answer. The fix is emptying the cups. This is a per-shift check, not a weekly one, particularly on high-volume MS-5 and MS-10 runs where a full shift can fill a cup well before the job finishes. This is entirely operator-level maintenance.

Hole position drifts off the backgauge setting

Registration drift usually shows up as holes landing slightly off from where the backgauge scale says they should be, and it's a real problem on any job with a tight bind margin. The cause is almost always a shifted table rather than a bad backgauge scale, since the table is bolted down and can walk out of alignment over time or after a bit change. To confirm it, run the manufacturer's own check: set the backgauge to the 1-inch position, drill a few sheets of paper, and measure the distance between the center of each hole and the edge of the paper. If that distance doesn't match the setting, the table has moved, not the gauge.

Fix, per the EH-3 procedure: if it's not 1 inch, loosen the four screws that mount the table to the base, carefully move the table to compensate for the error, then retighten. Most experienced operators can do this with basic hand tools, though it's worth having a second person confirm the measurement before you lock the screws back down. Run this check monthly on machines in daily production, and any time you've had the table off for a deep cleaning. If the table keeps drifting again within a few weeks of correcting it, that's usually worn mounting hardware or a bent table rail, and that does need a technician.

The bit visibly wobbles or cuts an oversized, off-center hole

This is a less frequent complaint than bit breakage, but it's the one that tells us a machine has been neglected rather than just run hard. If spindles are badly worn or bent through misadjustment they should be replaced immediately, since a wobbly or loosely held drill will break. Operators sometimes mistake early wobble for a dull bit and keep swapping bits without solving anything, which just accelerates spindle wear.

Confirm by running the drill empty, no stock, and watching the bit tip for visible runout, or by feeling for play when you rock a seated bit by hand. A small amount of tolerance is normal; visible wobble at the tip is not. This is a spindle bearing or collet issue, and it's not something to open up in-house. It needs a factory-trained technician and genuine replacement spindle components, because a misaligned repair here just reproduces the same wobble and chews through bits and blocks at an accelerated rate until it's done right.

Hydraulic drill (EH-3, MS-5, MS-10) runs slow, inconsistent, or won't complete a full-depth stroke

On the hydraulic multi-spindle line, an inconsistent stroke or a machine that seems to lose power partway through a cycle is usually a fluid issue before it's anything mechanical. The hydraulic system needs oil periodically. On machines with a clear reservoir, check the oil level by inspecting it against the full line marked on the reservoir.

Confirm by checking the reservoir sight gauge against that full line before assuming a pump or seal problem. If it's low, top it off with the recommended hydraulic oil. On manual belt-driven single-spindle drills, a similar symptom, the drill bogging down mid-cut, traces to belt tension instead: keep the belt tight to maintain proper drill speed, because a slowed drill acts more like a punch, which results in poor quality work and drill breakage. Check oil level monthly on hydraulic models and belt tension monthly on manual models. Topping off oil or tightening a belt is operator-level work. If the reservoir is full and the stroke is still inconsistent, or the belt is properly tensioned and the drill still bogs down, that points to internal pump wear or a motor problem, and that's a service call.