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