... cutting punching and handing ends.Center to Center Bearing Bar Spacing: we usually supply with 30mm or 40mm ... ) Material: Carbon steel or stainless steel 2) Bearing bar specification: 20 x 3mm to 90 x 7mm 3) ... Bearing bar pitch: 12. 5mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, ... 50mm & 60mm 4) Cross bar pitch: 25, 38, 50, 50. 8, ...