Best Quality Long Life Carbide Drill Bits with Coolant Hole D3 4 6 7 8

• Customized: Non-Customized
• Standard: DIN, AISI
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: Solid Carbide
• Usage: Wood Drilling, PCB Drilling, Metal Drilling
• Manufacturing Standaard: DIN 6537
• Product Name: Carbide Twist Drills
• Suitable for Materials: Pmk
• Drill Point Angle: 140°
• Spiral Angle: 30°
• Transport Package: Carton Box
• Specification: Dex28, L66: SD4
• Trademark: KKTOOL
• Origin: China
• Production Capacity: 10000

Product Description

 

(Coolant Hole)Carbide Twist Drills (Times Diameter 3/5/8)
Diameter	Flute Length	Overal Length	Shank Dia
D3.0-3.3	Dex30	L70	SD4
D3.4-3.7	Dex35.5	L75	SD4
D3.0-3.9	Dex42	L83	SD4
D4.0	Dex42	L83	SD4
D4.1-5.0	Dex50	L90	SD6
D5.1-5.9	Dex57	L97	SD6
D6.0	Dex57	L97	SD6
D6.1-6.8	Dex66	L106	SD8
D6.9-7.9	Dex76	L116	SD8
D8.0	Dex76	LI16	SD8
D8.1-9.0	Dex87	L131	SD10
D9.1-9.9	Dex95	L139	SD10
D10.0	Dex95	L139	SD10
D10.1-11.0	Dex106	L155	SD12
D11.1-11.9	Dex114	L163	SD12
D12.0	Dex114	L163	SD12
D12.1-13.9	Dex133	L182	SD14
D14.0	Dex133	L182	SD14
D14.1-16.0	Dex152	L204	SD16
D16.1-18.0	Dex171	L223	SD18
D18.1-20.0	Dex190	L244	SD20
(Coolant Hole) Carbide Twist Drills (Times Diameter 12/15/20/25/30)
Diameter	Flute Length	Overal Length	Shank Dia
D3.0-3.5	Dcx55	L95	SD4
D4.0	Dcx71	L109	SD4
D4.5	Dcx93	L133	SD6
D5.0-5.5	Dcx105	L145	SD6
D6.0	Dcx110	L148	SD6
D6.5	Dcx120	L162	SD7
D7.0	Dcx120	L162	SD8
D7.5-8.0	Dcx137	L180	SD8
D8.5-9.0	Dcx160	L204	SD10
D9.5-10.0	Dcx175	L221	SD10
D10.5-11.0	Dcx198	L247	SD12
D11.5-12.0	Dcx213	L263	SD12
D12.5-14.0	Dcx248	L297	SD14
D14.5-15.0	Dcx258	L313	SD16