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Manufacturing Highland Park Style Saws and Other Lapidary Equipment
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Highland Park diamond sphere cups are designed from the segment up to cut and polish both soft and hard material fast.  With over 10 years of R&D in diamond segment technology, our sphere cups set the standard for production sphere cutting. 

Here is guide to selecting the right size cup:

Cup Size Inch Cups Size MM Sphere Size Range Inch Sphere Size Range MM
1" 25mm 1" to 1.4" 25  to 35.5mm
1-3/16" 30mm 1.3" to 1.6" 33 to 40.5mm
1-3/8" 35mm 1.5" to 1.8" 38 to 46mm
1-9/16" 40mm 1.75" to 2.1" 44.5 to 53mm
1-3/4" 44mm 2" to 2.6" 50.5 to 66 mm
2-1/4" 56mm 2.5" to 3.1" 63.5 to 78.5mm
2.5" 63mm 2.8" to 3.5" 71 to 90mm
3" 75mm 3.4" to 4.1" 86 to 104mm
3.5" 90mm 4" to 4.9" 101.5 to 124.5mm
4" 100mm 4.6" to 5.5" 117 to 140mm
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Highland Park 6 inch 400 grit sintered diamond grinding cup

6 inch 400 grit grinding cup with 7/16 inch layer of sintered diamond and 5/8-11 female thread. 3 inch long
$65.00
Qty :

Highland Park 6 inch 400 grit diamond impregnated polymer polishing cup

6 inch 400 grit polishing cup with 7/16 inch layer of diamond impregnated polymer and 5/8-11 female thread. 3 inch long
$65.00
Qty :

Highland Park 6 inch 800 grit diamond impregnated polymer polishing cup

6 inch 800 grit polishing cup with 7/16 inch layer of diamond impregnated polymer and 5/8-11 female thread. 3 inch long
$65.00
Qty :

Highland Park 6 inch 1200 grit diamond impregnated polymer polishing cup

6 inch 1200 grit polishing cup with 7/16 inch layer of diamond impregnated polymer and 5/8-11 female thread. 3 inch long
$65.00
Qty :

Highland Park 6 inch 4000 grit diamond impregnated polymer polishing cup

6 inch 4000 grit polishing cup with 7/16 inch layer of diamond impregnated polymer and 5/8-11 female thread. 3 inch long
$65.00
Qty :

Highland Park 6 inch 8000 grit diamond impregnated polymer polishing cup

6 inch 8000 grit polishing cup with 7/16 inch layer of diamond impregnated polymer and 5/8-11 female thread. 3 inch long
$65.00
Qty :
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