Sheartak Precision Bull Nose Centers Skip to content
Tel:+1-519-880-8181 International, Toll- Free (Canada & USA) 1-877-417-4327
Tel:+1-519-880-8181 International, Toll- Free (Canada & USA) 1-877-417-4327

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Bull Nose Center

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SKU 437-0500
Sold out
Original price $50.00 - Original price $50.00
Original price
$50.00
$50.00 - $50.00
Current price $50.00
Shank Taper - D (mm) - L (mm): MT2-60-132
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Cancellation policy

Cancel for any reason at any time until your order shipped. Please be aware that banks charge for each payment transaction, so we will deduct these fees from the refunded amount. Once your order has shipped, you may return your order. For details, please review our Returns and Cancellations policies. Special order items may not be eligible for cancellation.

Return Policy

Most items can be returned within 30 days of receipt for a refund of the product cost less return shipping. Shipping, duties, and taxes are not refundable. For details, please review our Returns and Cancellations policies.

International Shipping

The product price and shipping and handling cost do not include import duties, taxes, or brokerage fees. As the transportation fee for your order is the only fee we charge, it is the buyer's responsibility to pay for these charges. We recommend that you contact your country's customs office or visit their website to determine if there will be any additional costs.

The Harmonized Tariff Schedule (HS code) for spiral cutterheads and other woodworking tools is 8466.92.50.10.

Features:

  • Designed for supporting hollow workpieces.
  • Rotates with the workpiece.
  • Durable and precise.
  • Various Morse taper options.
  • Offered in a variety of sizes to meet your machining needs.
Order No. Shank Taper L (mm) L1 (mm) D (mm) D1 (mm) d (mm) α (°)
437-0500 MT2 132 64 60 17.78 20 60
437-0501 MT2 129 64 60 17.78 12 75
437-0502 MT2 135 64 61.9 17.78 13 70
437-0503 MT2 130 64 62 17.78 13 54.6
437-0504 MT2 132 64 63 17.78 13 70
437-0505 MT2 132 64 70 17.78 20 60
437-0506 MT2 129 64 70 17.78 12 75
437-0507 MT2 145 64 80 17.78 25 60
437-0508 MT2 133 64 80 17.78 12 75
437-0509 MT2 145 64 90 17.78 25 60
437-0510 MT2 133 64 90 17.78 12 75
437-0511 MT3 165 81 60 23.825 20 60
437-0512 MT3 152 81 60 23.825 12 75
437-0513 MT3 155 81 70 23.825 20 60
437-0514 MT3 152 81 70 23.825 12 75
437-0515 MT3 152 81 76.2 23.825 19 54.6
437-0516 MT3 150 81 76.2 23.825 19 70
437-0517 MT3 162 81 80 23.825 25 60
437-0518 MT3 156 81 80 23.825 12 75
437-0519 MT3 162 81 90 23.825 25 60
437-0520 MT3 156 81 90 23.825 12 75
437-0521 MT3 170 81 100 23.825 30 60
437-0522 MT3 164 81 100 23.825 32 75
437-0523 MT3 170 81 110 23.825 35 60
437-0524 MT3 164 81 110 23.825 32 75
437-0525 MT3 170 81 120 23.825 40 60
437-0526 MT3 164 81 120 23.825 32 75
437-0527 MT3 184 81 130 23.825 40 60
437-0528 MT3 174 81 130 23.825 35 75
437-0529 MT3 189 94 140 23.825 40 60
437-0530 MT3 174 94 140 23.825 35 75
437-0531 MT4 178 102.5 60 31.267 20 60
437-0532 MT4 175 102.5 60 31.267 12 75

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
If you add the bearings to your order, we will preinstall them for you when premounting is possible, saving you the hassle of doing it yourself.

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.