GLASS DRILL InStRuctIon MAnuAL
GLASS-cHEK PRo oPERAtInG MAnuAL
crlaurence.com
c.R. Laurence co., Inc.
•
2503 E. Vernon Ave., Los Angeles, cA 90058
•
1.800.421.6144
•
crlaurence.com
SEPtEMBER 2020
P. 19
GLAss sTANdARds TAbLE
When operating the GC3001 in “sTANdARd” mode, the glass measurements will be rounded to the nearest standard
thickness according to the table below:
gC3001 Standards - Tolerance Specifications for flat glass
based on the American society for Testing and Materials (AsTM) standards
glass Tolerance
Designation
mm
inches
sEE GLAss sTANdARds TAbLE NExT PAGE.
GC3001 WARRANTy
The manufacturer warrants all models of the GC3001 to be free from defects in material and workmanship under normal
use and service as specified within the operator’s manual. The manufacturer shall repair or replace the unit within twelve (12)
months from the original date of shipment after the unit is returned to the manufacturers factory, prepaid by the user, and
the unit is disclosed to the manufacturers satisfaction, to be thus defective. This warranty shall not apply to any unit that has
been repaired or altered other than by the manufacturer. The aforementioned provisions do not extend the original war-
ranty period of the unit which has been repaired or replaced by the manufacturer. batteries are not covered by warranty.
The manufacturer assumes no liability for the consequential damages of any kind through the use or misuse of the GC3001
product by the purchaser or others. No other obligations or liabilities are expressed or implied. All damage or liability claims
will be limited to an amount equal to the sale price of the GC3001, as established by the manufacturer.
Traditional Designation
mm
inches
min
max
min
max
3/32 in. (single)
2.5
0.09
2.16
2.57
0.085
0.101
1/8 in. (double)
3
0.12
2.92
3.4
0.115
0.134
5/32 in.
4
0.16
3.78
4.19
0.149
0.165
3/16 in.
5
0.19
4.57
5.05
0.18
0.199
1/4 in.
6
0.23
5.56
6.2
0.219
0.244
5/16 in.
8
0.32
7.42
8.43
0.292
0.332
3/8 in.
10
0.39
9.02
10.31
0.355
0.406
1/2 in.
12
0.5
11.91
13.49
0.469
0.531
