3.8mm Diameter Flat Bottom Carbide Drill 4mm Shank 17mm Max Depth for General Use

(Exc. 20% VAT)(£12.00 Inc. VAT)

Model: FBD2S-0403817050
Brand: APT Carbide Drills

Shipped Weight: 20 g

Availability:

In stock, immediate despatch

APT Carbide Drills

Carbide End Mills APT Brand

3.8mm Diameter Flat Bottom Carbide Drill 4mm Shank 17mm Max Depth PVD Coated for General Use.

Ideal for inclined surface, curved entry or exit, counter boring, crossed holes, guide holes and thin plate.

Can be used for reaming.

Performs well on Plain Carbon, Alloy and Tool Steel, Stainless and Cast Iron.

Dimensions for FBD2S-0403817050 (mm)

Diameter (D)	Shank Diameter (d)	Max Depth (L1)	Overall Length (L)
3.8	4	17	50

General cutting parameters for FBD2S-0403817050.

Suface angle 0°-15° RPM = 100% Feed = 100%

Suface angle 16°-29° RPM = 100% Feed = 50%

Suface angle more than 30° RPM = 70% Feed = 30%

Material	Hardness HB	Cutting Speed VC: m/min	RPM	Feed mm/rev	Application Choice
Non Alloyed Steel 0.15% C Annealed	100-150	80	6400	0.03-0.07	Good
Non Alloyed Steel 0.45% C Annealed	175-225	80	6400	0.03-0.07	Good
Non Alloyed Steel 0.45% C Annealed	225-275	70	5600	0.03-0.07	Good
Non Alloyed Steel 0.75% C Annealed	250-300	40	3200	0.03-0.07	OK
Non Alloyed Steel 0.75% C Quenched and Tempered	300	38	3000	0.02-0.06	OK
Low Alloy Steel Annealed	175-225	45	3600	0.03-0.07	Good
Low Alloy Steel Quenched Tempered	300-325	40	3200	0.03-0.07	OK
Low Alloy Steel Quenched Tempered	275-235	38	3000	0.02-0.06	OK
Low Alloy Steel Quenched Tempered	350	25	2000	0.02-0.04	OK
Stainless Ferritic/Martensitic Annealed	200	30	2400	0.01-0.03	OK
Grey Cast Iron Pearlitic/Ferritic	180	70	5600	0.02-0.06	Good
Grey Cast Iron Pearlitic Martensitic	260	60	4800	0.02-0.05	OK
Aluminium Wrought Alloys	60-100	165	13100	0.04-0.08	OK