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Body

Aluminum(5050 5052 5056)

Steel

Stainless Steel

Finish

Polished, Painted

Zinc Plated

Polished

Mandrel

Aluminum

Steel

Stainless

Steel

Steel

Aluminum

Steel

Stainless

Steel

Finish

Polished

Zinc Plated

Polished

Zinc Plated

Polished

Zinc Plated

Polished

Head Type

Dome, CSK, Large Flange

D
NOM.

DRILL NO. &HOLE SIZE

GRIP RANGE

L (MAX)

dk
NOM.

K
MAX

P
MIN.

INCH

MM

INCH

MM

3/32"
2.44mm

#41
2.5-2.6

0.079-0.125

2.0-3.2

0.250

6.4

0.174"
4.4

0.027"
0.69

1.00"
25.4

0.126-0.250

3.2-6.4

0.375

9.5

0.251-0.375

6.4-9.5

0.500

12.7

1/8"
3.2mm

#30
3.3-3.4

0.092-0.125

2.3-3.2

0.275

7.0

0.220"
5.6

0.031"
0.79

1.06"
27

0.126-0.187

3.2-4.8

0.337

8.6

0.188-0.250

4.8-6.4

0.400

10.2

0.251-0.312

6.4-7.9

0.462

11.7

0.313-0.375

7.9-9.5

0.525

13.3

0.313-0.500

9.5-12.7

0.650

16.5

5/32"
4.0mm

#20
4.1-4.2

0.120-0.187

3.0-4.8

0.362

9.2

0.281"
7.1

0.040"
1.02

1.06"
27

0.188-0.250

4.8-6.4

0.425

10.8

0.251-0.375

6.4-9.5

0.550

14.0

0.376-0.500

9.5-12.7

0.675

17.1

3/16"
4.8mm

#11
4.9-5.0

0.151-0.187

3.8-4.8

0.387

9.8

0.348"
8.8

0.050"
1.27

1.06"
27

0.188-0.250

4.8-6.4

0.450

11.4

0.251-0.375

6.4-9.5

0.575

14.6

0.376-0.500

9.5-12.7

0.700

17.8

0.501-0.625

12.7-19.5

0.825

21.0

1/4"
6.4mm

F
6.5-6.6

0.125-0.250

3.2-6.4

0.500

12.7

0.470"
11.9

0.060"
1.52

1.25"
321

0.251-0.375

6.4-9.5

0.625

15.9

0.376-0.500

9.5-12.7

0.750

19.1