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DRA330C Series

INTERNAL THREAD LOCKING TORQUE VALUES FOR METRIC FASTENERS

 

COUNTERBORE TOOL NUMBER

 

INSERT INT THD SIZE REF

 

A

DIA

 

2

 

B

DIA 2

 

C

7

 

±0.5

 

D

 

 

REF

SRM0305D MJ3X0.5 5.0 4.14 10.5 90.0
SRM0407D MJ4X0.7 6.0 5.01 13.4 100.0
SRM0508D MJ5X0.8 7.0 6.03 15.6 105.0
SRM0610D MJ6X1 8.0 7.07 17.2 115.0
SRM0710D MJ7X1 9.0 8.10 19.8 125.0
SRM0812D MJ8X1.25 MJ8X1 10.0 9.11 22.2 135.0
 

SRM1015D

MJ10X1.5

MJ10X1.25

 

12.0

 

11.16

 

26.4

 

160.0

 

SRM1215D

MJ12X1.5

MJ12X1.25

 

14.0

 

13.17

 

31.3

 

175.0

SRM1415D MJ14X1.5 16.0 15.17 35.3 190.0

NOTES: UNLESS OTHERWISE SPECIFIED
1. DIMENSIONS ARE IN<
2. TOLERANCES: TO BE PER STANDARD DRILL OF SIMILAR SIZE.
3. ANGLES:  ± 2°.
4. MATERIAL:     HIGH SPEED STEEL.
5. HEAT TREAT:  PER DRILL MFR’S STANDARD.
6. FINISH:   PER DRILL MFR’S STANDARD.

7.  STEP DRILL’S ARE DESIGNED FOR THRU HOLE DRILLING. WHEN
USED TO DRILL A BLIND HOLE, IT MAY BE NECES- SARY TO
GRIND THE DRILL TO SUIT THE DEPTH REQUIRED.

 

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