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Figure 3 : Sheet 1 : Removal of Protruding Head and Countersunk Head Blind Fasteners
A63507
Blind Bolt Removal
Step 1
Drill System
Drill
Fastener
Size
Nominal
(Inches)
Diameter
5/32
0.0980
3/16
0.1200
1/4
0.1562
5/16
0.1875
3/8
0.2280
*
Do not drill more than 0.020 inch more than
the minimum depth.
Step 3
Counterbore Sleeve
Cutter
X
Fastener
Cutter
Nominal
Diameter
Diameter
5/32
0.0980
3/16
0.1200
1/4
0.1562
5/16
0.1875
3/8
0.2280
Copyright © Textron Aviation Inc.
Retain printed data for historical reference only. For future maintenance, use only current data.
Minimum
Depth
Minimum
Depth
(Inches)
*
0.050
0.070
0.090
0.105
0.130
+0.005
−0.015
Head Height (X)
Protruding
Head
(Inches)
0.070
0.135
0.140
0.140
0.205
FOR TRAINING PURPOSES ONLY
ISSUE 02 , JAN 2018
Model 510 Structural Repair Manual (Rev 2)
Step 2
Knock Out System
NOTE:
Tools can be purchased as a kit from
Huck Manufacturing Company
900 Watson Center Road
Carson, CA 90745
Step 4
Knock Out Sleeve
Countersunk
Head
(Inches)
0.070
0.080
0.4105
0.135
0.165
51-40-03-0 (Rev 1)
Fastener
Nominal
Punch
Diameter
Diameter
5/32
3/32
3/16
3/32
1/4
5/32
5/16
3/16
3/8
7/32
Print Date: Wed Mar 21 05:10:19 CDT 2018
6282T1081
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