Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a professional manufacturer of high-precision three-knife trimmer blades built for post-press bookbinding and high-volume paper finishing lines. Our three-side cutting knives trim the head, tail and fore-edge of book blocks and stacked sheets in a single stroke, delivering uniformly square corners and burr-free edges. Manufactured from premium high-speed steels with vacuum heat treatment and precision CNC grinding, these blades retain sharpness through extended production runs, reducing sharpening downtime and elevating finished product quality.
Order(MOQ) :
1Payment :
TT,LCProduct Origin :
ChinaColor :
N/AShipping Port :
Ma'anshan Shipping PortLead Time :
30 daysThese three-knife paper trimmer blades feature precision-drilled counterbore holes for direct drop-in fit on mainstream binding equipment. Their uniformly hardened cutting edges resist paper fiber abrasion and coating buildup, ensuring consistent cut depth and clean edges across thick stacks of coated paper, book blocks and cardstock.
Technical Specifications
|
Feature |
Technical Details |
| Material | HSS (M2/W18Cr4V), D2 (SKD11), TCT Carbide-Tipped, Solid Carbide (Customizable) |
| Hardness | 60-64 HRC (HSS); 58-62 HRC (Alloy Steel); 88-92 HRA (Carbide) |
| Tolerances | Straightness ≤ 0.005mm; Flatness ≤ 0.003mm; Mounting Hole Position ±0.01mm |
| Blade Set Configuration | 1 front knife + 2 side knives (custom sizes per machine model) |
| Thickness Range | 8mm to 16mm (Tailored for three-knife trimmer tool holders) |
| Mounting Type | Precision counterbore holes, custom hole quantity and spacing |
| Processing | Vacuum quenching, deep cryogenic treatment, CNC profile grinding, mirror edge finishing |
Main Features
Advantages
Product Applications
Why Choose Us

Leave A Message
Scan to WhatsApp :