六角批头（HEXAGON）

“十”字批头（PHILLIPS）

“米”字头（POZIDRIV）

H   X L

1/8” X 1”(25.4mm) = S1/4 X 25 X H1/8

9/64” X 1”(25.4mm)   = S1/4 X 25 X H9/64

5/32” X 1 5/16”(49mm) = S1/4 X 50 X H5/32

3/16” X 1 5/16”(49mm) = S1/4 X 50 X H3/16

7/32” X 1 5/16”(49mm) = S1/4 X 50 X H7/32

1/4” X 1 5/16”(49mm) = S1/4 X 50 X H1/4

2.0 X 25           = S1/4 X 25 X H2.0

2.5 X 25         = S1/4 X 25 X H2.5

3.0 X 25         = S1/4 X 25 X H3.0

P   X   D   X   L

0   X   3.0 X   1”(25.4mm)= S1/4 X 25X￠3.0X 0#

1   X   4.5 X   1”(25.4mm)= S1/4 X 25X￠4.5X 1#

2   X   6.0 X   1”(25.4mm)= S1/4 X 25X￠6.0X 2#

3   X   6.0 X   1”(25.4mm)= S1/4 X 25X￠6.0X 3#

2   X         1 1/2(38.1 mm)= S1/4 X 38 X 2#

1   X         1 5/16(49 mm)= S1/4 X 50 X 1#

2   X         1 5/16(49 mm)= S1/4 X 50 X 2#

3   X         1 5/16(49 mm)= S1/4 X 50 X 3#

2   X         2 1/2(63.5 mm)= S1/4 X 63.5 X 2#

P   X   L

1   X   1”(25.4 mm) = S1/4 X 25 X PZ1

2   X   1”(25.4 mm) = S1/4 X 25 X PZ2

3   X   1”(25.4 mm) = S1/4 X 25 X PZ3

1   X 1 5/16”(49mm) = S1/4 X 50 X PZ1

2   X 1 5/16”(49mm) = S1/4 X 50 X PZ2

3   X 1 5/16”(49mm) = S1/4 X 50 X PZ3

W   X T   X L

3.0 X 0.5 X 25 = S1/4 X 25 X SL30

3.5 X 0.55 X 25 = S1/4 X 25 X SL35

4.0 X 0.6 X 25 = S1/4 X 25 X SL40

4.5 X 0.7 X 25 = S1/4 X 25 X SL45

5.0 X 0.75 X 25 = S1/4 X 25 X SL50

5.5 X 0.8 X 25 = S1/4 X 25 X SL55

6.0 X 0.85 X 25 = S1/4 X 25 X SL60

6.3 X 0.85 X 25 = S1/4 X 25 X SL63

P    X   L

0(1/16”) X   1” = S1/4 X 25 X SQ0

1(3/32”) X   1” = S1/4 X 25 X SQ1

2(1/8”) X   1” = S1/4 X 25 X SQ2

3(9/64”) X   1” = S1/4 X 25 X SQ3