Crown Grinding & Machining Precision Grinding To Your Custom Specifications with Tight Tolerances, Parallelism, Flatness and Squareness. “We look forward to the opportunity to work with you and invite any inquires concerning your steel grinding and steel needs”. Robert Mendala CNC fly cutting for quick and accurate material removal Mattison finish grinding to tolerances +.001 / -0. Also 6 side finish grinding for cavity, core and forging dies Blanchard grinding up to 90" corner to corner larger grinding avail upon request Ability to read prints, cad files, dxf dwg, pdf, along with any parasoild xt files Before finish grinding we have the capabilities to machine pockets, holes, gun drilling and side work Chamfering of all corners available Milling of edges and ends sq .001-.002" We can supply you with flame cut A36 #1, 4130PH #2 , and PH stainless #7 steel. Other steel and stress reliving available upon request Crown Grinding & Machining Located at 1498 Louis Bork Drive Batavia, IL 60510-1511 Tabloid size.indd 1 6/15/16 11:53 AM
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Crown Grinding & Machining Precision Grinding To Your Custom Specifications
with Tight Tolerances, Parallelism, Flatness and Squareness.
“We look forward to the opportunity to work with you and invite any inquires concerning
your steel grinding and steel needs”.Robert Mendala
CNC fly cutting for quick and accurate material removal
Mattison finish grinding to tolerances +.001 / -0. Also 6 side finish grinding for cavity, core and forging dies
Blanchard grinding up to 90" corner to corner larger grinding avail upon request
Ability to read prints, cad files, dxf dwg, pdf, along with any parasoild xt files
Before finish grinding we have the capabilities to machine pockets, holes, gun drilling and side work
Chamfering of all corners available
Milling of edges and ends sq .001-.002"
We can supply you with flame cut A36 #1, 4130PH #2 , and PH stainless #7 steel. Other steel and stress reliving available upon request
Crown Grinding & Machining Located at 1498 Louis Bork Drive Batavia, IL 60510-1511
Tabloid size.indd 1 6/15/16 11:53 AM
Crown Grinding & Machining
Crown Grinding & Machining 1498 Louis Bork Drive Batavia, IL 60510-1511
metric tap Drill SizeSmetric tap tap Drill (mm) Decimal (inch)
m1.6 x 0.35 1.25 .0492m1.8 x 0.35 1.45 .0571m2 x 0.4 1.60 .0630m2.2 x 0.45 1.75 .0689m2.5 x 0.45 2.05 .0807m3 x 0.5 2.50 .0984m3.5 x 0.6 2.90 .1142m4 x 0.7 3.30 .1299m4.5 x 0.75 3.70 .1457m5 x 0.8 4.20 .1654m6 x 1 5.00 .1968m7 x 1 6.00 .2362m8 x 1.25 6.70 .2638m8 x 1 7.00 .2756m10 x 1.5 8.50 .3346m10 x 1.25 8.70 .3425m12 x 1.75 10.20 .4016m12 x 1.25 10.80 .4252m14 x 2 12.00 .4724m14 x 1.5 12.50 .4921m16 x 2 14.00 .5512m16 x 1.5 14.50 .5709m18 x 2.5 15.50 .6102m18 x 1.5 16.50 .6496m20 x 2.5 17.50 .6890m20 x 1.5 18.50 .7283m22 x 2.5 19.50 .7677m22 x 1.5 20.50 .8071m24 x 3 21.00 .8268m24 x 2 22.00 .8661m27 x 3 24.00 .9449m27 x 2 25.00 .9843m30 x 3.5 26.50 1.0433m30 x 2 28.00 1.1024m33 x 3.5 29.50 1.1614m33 x 2 31.00 1.2205m36 x 4 32.00 1.2598m36 x 3 33.00 1.2992m39 x 4 35.00 1.3780m39 x 3 36.00 1.4173