8" Milling Machine Riser Block
For Bridgeport-Type Knee Mills.
Includes 4 bolts and cross member (spider).
The bolts (qty: 4) are hex head bolts 1/2" in diameter, and can thread into the spider.
The base diameter is 15 inch (380mm).
The shoulder diameter is 12.48" (317mm).
The inside diameter is 10" (255.9mm).
The rectangular bolt pattern is 9 5/8" x 6 3/4"
Please note: Actual paint color of the riser block MAY VARY from the photos.
PN: S4A-RB-8"
