MTR 4.0 R0.2 L20 XMP XL75 Miniature Diameter Carbide Boring Bar Min Bore 3.9mm[1]

(Exc. 20% VAT)(£14.40 Inc. VAT)

Model: MTR4.0R0.2L20XMPXL75
Brand: APT Tools

Shipped Weight: 35 g

Availability:

Only 16 left in stock - order soon

APT Tools

Tools for Indexable Inserts

MTR 4.0 R0.2 L20 XMP XL75 Miniature Diameter Carbide Boring Bar.

Min bore 3.9mm, Max depth 20mm.

4mm diameter shank with flat top and bottom for gripping.

Dimensions for MTR 4.0 R0.2 L20 XMP XL75 (mm)

Shank Dia (D)	Min Bore (d1)	Corner Radius (R)	Turn in Depth (Q)	Reach (L1)	Length (L)
4	3.9	0.2	0.45	20	75

General Cutting parameters

Material	Hardness HB	Cutting Speed VC: m/min	Feed mm/rev	Application Choice
Non alloyed steel 0-0.6% C	125-170	25-80 (50)	0.01-0.03	Good
Low alloyed steel	180-350	20-50 (35)	0.01-0.03	Good
High alloyed steel	200-325	20-50 (35)	0.01-0.03	Good
Stainless steel and cast steel	200-330	20-40 (30)	0.01-0.03	Good
Grey Cast Iron	180-260	25-80 (50)	0.01-0.03	Good
Nodular Cast Iron	160-260	25-80 (50)	0.01-0.03	Good
Malleable / Tempered Cast Iron	130-230	20-50 (35)	0.01-0.03	Good
Aluminium Wrought Alloys	60-100	50-120 (85)	0.01-0.03	OK
Aluminium Castings Si<12%	80-90	40-90 (65)	0.01-0.03	OK
Bronze & Brass	90-100	30-75 (55)	0.01-0.03	OK
Plastics	90-100	40-80 (60)	0.01-0.03	OK
Iron, Ni or Co Based Hi-temp Alloys	200-280	10-30 (20)	0.01-0.03	Good
Titanium Alpha + Beta Alloys	1050Rm	10-40 (25)	0.01-0.03	Good
Hardened Steel	45-55HRC	15-40 (25)	0.01-0.03	Good
Hardened Steel	55-60HRC	10-30 (20)	0.01-0.03	OK
Chilled Cast Iron	Cast	10-30 (20)	0.01-0.03	Good
Hardened Cast Iron	Hardened	10-20 (15)	0.01-0.03	OK