1.  material 
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
2. specification
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
dawn.yuan@hotmail.com 
dawn.yuan@hotmail.com

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