PTI-SERT® Engineering Data

INCH KITS

INSERT

DRILL

C.BORE

TAP

SIZE

Drill

SIZE

MIN. DIA

MIN. DEPTH

MAJOR DIA

4-40

#31

.120

.170

0.55

.147

6-32

#26

.147

.218

.070

.182

8-32

#17

.173

.241

.065

.208

10-24

13/64

.203

.288

.075

.247

10-32

13/64

.203

.274

.075

.234

12-24

#1

.228

.307

.075

.265

1/4-20

17/64

.265

.352

.075

.319

1/4-28

G

.261

.340

.075

.300

5/16-18

21/64

.328

.430

.085

.388

5/16-24

P

.323

.419

.080

.368

3/8-16

X

.397

.495

.085

.460

3/8-24

W

.386

.473

.080

.432

7/16-14

29/64

.453

.571

.110

.534

7/16-20

29/64

.453

.547

.085

.506

1/2-13

33/64

.515

.648

.110

.604

1/2-20

33/64

.515

.610

.085

.569

9/16-12

19/32

.593

.711

.130

.675

9/16-18

37/64

.578

.668

.110

.638

5/8-11

21/32

.656

.787

.135

.748

5/8-18

41/64

.640

.740

.110

.701

3/4-10

25/32

.781

.953

.135

.885

3/4-16

49/64

.765

.870

.110

.835