Woodworking Drilling Machine Parts Press Block For Boring Machine Spares

A worn press block marks the panel instead of holding it. This is the replacement pad under the pressure foot of a woodworking drilling or boring machine, stocked in five sizes: 70 × 9 × 22 mm, 70 × 10 × 22 mm, 80 × 10 × 35 mm (red and black) and 100 × 18 × 35 mm, in red and black. Read three numbers off the old pad — 70–100 mm diameter, 9–18 mm through bore, 22–35 mm thickness — and the size is identified without a machine serial.

A drilling line that marks panels usually has the same three faults: the pad under the pressure foot has gone hard, so it skates instead of pressing; the pad has worn on one side, so one spindle bites deeper than its neighbour; and the replacement is ordered by machine model, so the wrong height arrives and the row is reset.

This is the press block under the pressure foot of a woodworking drilling or boring machine. The through bore holds it on the foot; the contact face presses the panel on a ring, so the bit enters a supported face. Sizes: 70 × 9 × 22 mm and 70 × 10 × 22 mm in red, 80 × 10 × 35 mm in red and black, 100 × 18 × 35 mm in black.

Each pad is one moulded body: a flat seating ring, a stepped bore that opens from a 9–18 mm through hole into a wider counterbore, and a contact face cut with concentric ribs that spread the press across the full ring.

Across the range the diameter runs 70–100 mm, the bore 9–18 mm and the thickness 22–35 mm, so a caliper identifies the pad without a manual page. Colour sorts the shelf: red for the 70 and 80 mm pads, black for the 80 and 100 mm ones.

Three caliper readings and one colour decide the replacement.

• Five stock sizes — 70 × 9 × 22 mm, 70 × 10 × 22 mm, 80 × 10 × 35 mm (red and black) and 100 × 18 × 35 mm.
• 70–100 mm diameter — the whole family in one range, read across the outer edge of the pad.
• 9–18 mm through bore — 9 mm on the 70 mm pads, 10 mm on the 80 mm pads, 18 mm on the 100 mm pad.
• 22–35 mm thickness — the height under the pressure foot; a 22 mm pad and a 35 mm pad do not sit the same.
• Stepped bore — the through hole opens into a wider counterbore, so the pad seats on a shoulder.
• Concentric ribbed face — the press is spread across the whole 70–100 mm face instead of one polished band.
• Red and black coding — red for the 70 and 80 mm pads, black for the 80 and 100 mm pads.
• One-piece moulded body — pad and seating ring moulded together at 22–35 mm thickness, with no joint to split.
• Pressure foot fitment — the pad mounts under the pressure foot of a woodworking drilling or boring machine.
• Price on request — quoted per size and per quantity, so a mixed set is priced as one order.

A worn pad is either lived with or replaced with the wrong one.

• Marking stops where it starts. The ribbed ring presses the panel flat around the bit, so the bit cuts a supported face and the witness ring stays even across the 70–100 mm pad.
• No machine serial needed. 70–100 mm diameter, 9–18 mm bore and 22–35 mm thickness identify the part, so the order is raised from the shop floor with a caliper.
• One order, whole row. Five sizes cover the pads on one head, so a mixed row is re-padded in one purchase order instead of five.
• Depth stays where it was set. Thickness is quoted to the millimetre, 22 mm or 35 mm, so the pressure foot returns to the same height.
• Colour is the shelf index. Two colours sort five sizes, so the fitter reads the size from the colour in hand.
• A consumable, not a rebuild. The block is replaced on its own; the pressure foot, spindle and drill holder stay bolted to the machine.
• Stepped bore, one spanner. The counterbore takes the shoulder of the fixing, so the pad comes off with one fastening.
• Stocked by size, priced by quote. Each of the five sizes is quoted on request against the quantity you actually re-pad.

Measure the old pad, not the machine. Three readings decide it: outer diameter 70 / 80 / 100 mm, through bore 9 / 10 / 18 mm and thickness 22 / 35 mm. Those readings map onto the five stock sizes.

Only if the fixing passes a 9 mm bore. Both pads are 70 mm across and 22 mm thick, so the swap changes the bore by 1 mm and nothing else.

Colour follows size, not grade. Red is listed for 70 × 9 × 22 mm, 70 × 10 × 22 mm and 80 × 10 × 35 mm; black for 80 × 10 × 35 mm and 100 × 18 × 35 mm — so the 80 × 10 × 35 mm pad exists in both.

Ribs hold the panel on a ring instead of a point. The concentric ribs run across the full 70–100 mm face, so the press is spread over the diameter and the panel is held flat under the bit.

When it stops holding the panel flat. Look for a glazed, polished contact face that has lost its rib pattern, a bore that has opened past 9–18 mm, and a thickness worn under 22 mm or 35 mm.

No. Only the press block is replaced. The pressure foot, the spindle and the drill holder stay on the machine, and the pad is the one part that comes off.

Any woodworking drilling or boring machine that takes a pad of this diameter and bore. Fitment is settled by 70–100 mm diameter, 9–18 mm bore and 22–35 mm thickness, not by the machine badge.

On request, by size and quantity. Send the three readings or the size, for example 80 × 10 × 35 mm in red or black, with the quantity, and the quote comes back line by line.