16NR AG55 T350 Internal Threading Insert for Stainless

16NR AG55 T350 Internal Threading Insert for Stainless
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Our Price:  £4.00
List Price:  £6.00
Saving Of:  £2.00 (33%)
(Exc. 20% VAT)(£4.80 Inc. VAT)

Model:  16NRAG55T350
Brand:  APT Threading

Shipped Weight:  7g

Availability:  

27 in stock, no more available  

27 in stock, no more available

APT Threading

Threading Inserts Fully Ground with High Quality PVD Coatings, Quality Machine Taps and Thread Milling Cutters


16NR A55 T350, 55° partial profle internal threading insert in grade T350.

Will cut 0.5-3.0mm pitch and 48-8 TPI.

Proflle of the cutting tip is made to a sharp point so the root of the thread will not be full form. The workpiece should be turned down before threading so that the crest forms a truncated thread to avoid interference with the mating part.

Grade T350 is NANO-TiAlSiN coated with a substrate of high wear resistance micro-grain carbide and is our preimium grade for all types of steel and stainless also good for cast iron and other materials first choice for general use.

This PVD coated grade covers P25, M25, K30, S15, H10 range of materials, suitable for dry cutting.

General Cutting parameters
Material Hardness HB Cutting Speed VC: m/min Number of Passes Application Choice
Non alloyed steel 0-0.45℅ C 125-170 90-190 (140) 4-16 depending on pitch Good
Low alloyed steel 180-350 70-140 (100) 4-16 depending on pitch Good
High alloyed steel 200-325 50-120 (90) 4-16 depending on pitch Good
Corrosion resistant steel 200 60-130 (100) 4-16 depending on pitch Good
Stainless - Ferritic 200-330 60-130 (100) 4-16 depending on pitch Good
 Stainless - Austenitic 180-200 40-140 (90) 4-16 depending on pitch Good
Stainless - Cast Ferritic 200-330 60-120 (90) 4-16 depending on pitch Good
Stainless - Cast Austenitic 200-330 60-110 (80) 4-16 depending on pitch Good
Grey cast iron 180-260 60-130 (100) 4-16 depending on pitch OK
Spheroidal cast iron 160-260 90-160 (120) 4-16 depending on pitch OK
Malleable / Tempered iron 130-230 60-100 (70) 4-16 depending on pitch OK
Aluminium Wrought Alloys 60-100 80-370 (220) 4-16 depending on pitch OK but try grade AK10
Aluminium Castings Si<12% 80-90 200-360 (280) 4-16 depending on pitch OK but try grade AK10
Aluminium Alloys Si 12%-23% 130 60-180 (120) 4-16 depending on pitch OK but try grade AK10
Bronze & Brass 90-100 80-250 (170) 4-16 depending on pitch OK but try grade AK10
Iron Based Hi-temp Alloys 200-280 HB 200-280 30-60 (45) 4-16 depending on pitch Good
Nickel or Cobalt Based 250 HB 250 20-30 (25) 4-16 depending on pitch Good
Nickel or Cobalt Based 30-58 HRC 350 15-25 (20) 4-16 depending on pitch Good
Pure Titanium 400Rm 140-170 (150) 4-16 depending on pitch Good
Titanium  Alpha + Beta Alloys 1050Rm 50-70 (60) 4-16 depending on pitch Good
Hardened Steel 40-50HRC 45-60 (50) 4-16 depending on pitch OK
Hardened Steel 50-55HRC 40-50 (45) 4-16 depending on pitch OK

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