These are a superior replacement insert for your BYRD cutter head, fits all byrd shelix style heads. Many agree this insert outperforms the BYRD insert.

Many customers prefer the 4 indexed markings on these inserts as opposed to the single"BT" found on the byrd insert.

15mm x 15mm x 2.5mm - 4 Cutting Edges : 100mm radius  on all 4 sides with sharp pointed corners

FREE USA SHIPPING

Grade T10MG

(certain spiral heads besides BYRD Tooling also use this size)

Holes 1 : 6.5mm

Bevel: 30 degree

Sold in packs of 10 only

Plastic Case included