MIR 3.9 A60 L12 XMP Mini Carbide Internal Threading Bar 60° Partial Profile 0.5-1.0mm Pitch

(Exc. 20% VAT)(£10.80 Inc. VAT)

Model: MIR3.9A60L12XMP
Brand: APT Tools

Shipped Weight: 25 g

Availability:

In stock, immediate despatch

APT Tools

Tools for Indexable Inserts

MIR 3.9 A60 L12 XMP Mini Carbide Internal Threading Bar 60° Partial Profile

Min bore 3.9mm with 12mm reach.

Pitch 0.5mm-1.0mm, 52-26 TPI.

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

Dimensions for MIR 3.9 A60 L12 XMP (mm)

Shank Dia (D)	Min Bore (d1)	Pitch mm	Pitch TPI	Radius (R)	Reach (L1)	Length (L)
4	3.9	0.5-1.0	52-26	0.05	12	50

General Cutting parameters

Material	Hardness HB	Cutting Speed VC: m/min	Number of Passes	Application Choice
Non alloyed steel 0-0.6% C	125-170	25-80 (50)	7-18	Good
Low alloyed steel	180-350	20-50 (35)	7-18	Good
High alloyed steel	200-325	20-50 (35)	7-18	Good
Stainless steel and cast steel	200-330	20-40 (30)	7-18	Good
Grey Cast Iron	180-260	25-80 (50)	7-18	Good
Nodular Cast Iron	160-260	25-80 (50)	7-18	Good
Malleable / Tempered Cast Iron	130-230	20-50 (35)	7-18	Good
Aluminium Wrought Alloys	60-100	50-120 (85)	7-18	OK
Aluminium Castings Si<12%	80-90	40-90 (65)	7-18	OK
Bronze & Brass	90-100	30-75 (55)	7-18	OK
Plastics	90-100	40-80 (60)	7-18	OK
Iron, Ni or Co Based Hi-temp Alloys	200-280	10-30 (20)	7-18	Good
Titanium Alpha + Beta Alloys	1050Rm	10-40 (25)	7-18	Good
Hardened Steel	45-55HRC	15-40 (25)	7-18	Good
Hardened Steel	55-60HRC	10-30 (20)	7-18	OK
Chilled Cast Iron	Cast	10-30 (20)	7-18	Good
Hardened Cast Iron	Hardened	10-20 (15)	7-18	OK