cobalt drill bits HEX

DRILLING AT ANOTHER LEVEL!

The triple edged advanced design of the STRONG JOHN drill bits provides fast drilling, high precision and cero vibration,reducing friction and high temperature in the process.

The triple edged advanced design of the STRONG JOHN drill bits provides fast drilling, high precision and cero vibration, reducing friction and high temperature in the process.

1/8”

DRILL BIT

SJCO18HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

1/8"

31/2”

15/8”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

5/32”

DRILL BIT

SJCO532HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

5/32"

37/8"

15/8”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

3/16”

DRILL BIT

SJCO316HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

3/16"

41/4”

21/4”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

1/4”

DRILL BIT

SJCO14HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

1/8"

41/2"

23/4”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

5/16”

DRILL BIT

SJCO516HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

5/16’’

43/4”

3"

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

3/8’’

DRILL BIT

SJCO38HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L1)

Hex Shank

3/8"

5”

31/2”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

1/2”

DRILL BIT

SJCO12HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

1/2’’

6”

41/2”

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR

5pc

DRILL BIT SET

SJCO5HEX

HSS M35

Shank

DIAMETER (D)

Length(L1)

Length(L2)

Hex Shank

1/8”, 5/32”, 3/16”, 1/4”, 3/8”

Different Lengths

RECOMMENDED FOR

METAL

Iron

Steel

Copper

Aluminum

Stainless Steel

PVC

Wood

SUITABLE FOR