Sheartak Helical Cutterhead for HOLYTEK HP-630 Heavy Duty Thickness Planer
Upgrade your HOLYTEK HP-630 Heavy Duty Thickness Planer with a premium Sheartak Helical Cutterhead equipped with a full set of precision-ground carbide inserts.
Many woodworkers are upgrading older planers and jointers with spiral cutterheads to achieve better cutting performance, lower noise, and longer tool life.
Key Benefits
Superior Surface Finish
Each carbide insert is positioned at a slight angle to the feed direction, creating a true shear cut. The staggered spiral arrangement produces smoother cuts and significantly reduces tear-out, even on highly figured hardwoods.
Quieter Operation
Unlike traditional straight-knife cutterheads where the entire blade strikes the wood at once, the spiral design engages the wood gradually, greatly reducing cutting noise.
Long Tool Life
The 15 × 15 × 2.5 mm inserts are made from sintered tungsten carbide, which lasts more than 10 times longer than high-speed steel blades. Each insert has four cutting edges and can be rotated when one edge becomes dull.
Easy Maintenance
Carbide inserts are precision-ground to a tolerance of ±0.0004" (±0.01 mm) and are interchangeable. Simply loosen the screw, rotate the insert 90°, and tighten it again in minutes.
Improved Dust Extraction
Spiral cutterheads produce thinner and shorter chips, making dust collection easier and more efficient.
Lower Operating Cost
Because carbide inserts last longer, require no sharpening, and reduce sanding time, the cutterhead quickly pays for itself.
Kit Includes
• All carbide inserts preinstalled
• 5 extra carbide inserts
• 5 extra Torx screws
• 1 T-handle wrench
Do I need to replace the original bearings?
If the bearings in your machine are in good condition, they can be reused by carefully removing them with a bearing or pulley puller. However, if the bearings are tightly pressed onto the shaft, removal may cause damage. To minimize this risk, we recommend replacing old bearings with our greased and sealed bearings, designed for long-lasting performance. For a smooth upgrade, we suggest adding the bearings to your shopping cart before completing your purchase.
We provide premium bearings from NSK, SKF, NTN, FAG, Timken. They are renowned for their high quality and performance, designed to provide durability and reliability in various applications
Do I need to to Add a Few Boxes of Carbide Inserts
We provide 5 carbide inserts and 5 screws as spare parts. However, many of our customers choose to purchase additional boxes, as the shipping costs for separate purchases can make it less economical.
Do I need a Torque Wrench?
To securely lock the carbide inserts, we recommend applying a torque of 48 to 52 Pound-Inches (or 5.42 to 5.88 Newton-Meters). (Note: 1 Newton-Meter is equal to 8.851 Pound-Inches, and 1 Pound-Inch is approximately 0.113 Newton-Meters.) It is crucial not to apply excessive torque, as this could cause the carbide inserts to crack or explode. On the other hand, using too little torque may result in the inserts not being properly secured, which could lead to cracks, shattering, or uneven height on the cutter block, causing ridges or lines on the board.
If one person is responsible for maintaining the machine, they can typically apply the same torque consistently without a torque wrench. However, when multiple people are involved in machine maintenance, ensuring uniform torque application can be challenging. For consistency and peace of mind, we recommend using a torque wrench.
What kind of steel the cutter block is made of?
The cutter block is constructed using GB/T 40Cr, a structural alloy steel of the same caliber as ASTM grade 5140, AISI 5140, SAE 5140, DIN 41Cr4, BS 41Cr4, JIS SCr440, and EN 41Cr4.The primary components of this steel are as follows: carbon (C) at a range of 0.37-0.44%, silicon (Si) between 0.17-0.37%, manganese (Mn) within 0.50-0.80%, and chromium (Cr) from 0.80-1.10%.
In terms of physical properties, this steel exhibits a tensile strength range of 115-234σb/MPa, a yield strength of 2σ 0.2 ≥/MPa, and an elongation capacity of 65 δ5≥ (%). It also has a HBS range of 123-321 and a HRC rating of 30.
This alloy steel is frequently utilized in low to moderately stressed components for machines, engines, and vehicles.
