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Palbit Inserts

SPKX DRILLING INSERTS
For SCI Indexable Drills
  • For Palbit® SCI Indexable drills
  • Economical- 4 cutting edges per insert
  • General purpose cutting of steels and stainless steel
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Geometry d S I Part Number
SPKX050204 0.083 0.104 0.197 PL-197-PH6920
SPKX060204 0.110 0.134 0.288 PL-288-PH6920
SPKX07T308 0.120 0.163 0.312 PL-312-PH6920
SPKX090408 0.157 0.177 0.385 PL-385-PH6920
SPKX110408 0.177 0.187 0.453 PL-453-PH6920
SPKX140512 0.228 0.205 0.563 PL-563-PH6920

Geometry d S I Part Number
SPKX050204 0.083 0.104 0.197 PL-197-PH6930
SPKX060204 0.110 0.134 0.288 PL-288-PH6930
SPKX07T308 0.120 0.163 0.312 PL-312-PH6930
SPKX090408 0.157 0.177 0.385 PL-385-PH6930
SPKX110408 0.177 0.187 0.453 PL-453-PH6930
SPKX140512 0.228 0.205 0.563 PL-563-PH6930

Drilling Parameters
Material Brinell Hardness Grade SFPM Feed Rate inch/rev (Drill Diameter)
PH6920 PH6930 .531-.750 .781-1.250 1.156-1.500 1.531-2.000
P Unalloyed Steel LowCarbon (C=0.1-0.25%) 125 450-620 360-500 .002-.005 .003-.006 .004-.007 .004-.008
Medium Carbon (C=0.25-0.55%) 150 390-570 310-500 .002-.005 .003-.006 .004-.007 .004-.008
High Carbon (C=0.55-0.85%) 170 350-540 280-400 .002-.005 .003-.006 .004-.007 .004-.008
Low Alloy Steel Non-hardened 180 330-480 260-400 .002-.005 .003-.006 .004-.007 .004-.008
Hardened 275 300-460 240-400 .002-.005 .003-.006 .004-.007 .004-.008
Hardened 350 280-440 220-400 .002-.005 .003-.006 .004-.007 .004-.008
High Alloy Steel Annealed 22 280-360 220-300 .002-.005 .003-.006 .004-.007 .004-.008
Hardened 325 200-330 160-300 .002-.005 .003-.006 .004-.007 .004-.008
Cast Steel Low Alloy (alloying elements<5%) 200 300-460 240-400 .002-.005 .003-.006 .004-.007 .004-.008
High Alloy (alloying elements>5%) 225 240-390 190-300 .002-.005 .003-.006 .004-.007 .004-.008
M Stainless Steel Feritic Non-hardened 200 280-430 220-300 .003-.006 .004-.008 .005-.009 .005-.010
Hardened 330 240-380 190-300 .003-.006 .004-.008 .005-.009 .005-.010
Stainless Steel Austenitic Austenitic 180 350-460 280-400 .003-.006 .004-.008 .005-.009 .005-.010
Superaustenitic 200 160-360 130-300 .003-.006 .004-.008 .005-.009 .005-.010
Stainless Steel CastFeritic Non-hardened 200 350-390 280-300 .003-.006 .004-.008 .005-.009 .005-.010
Hardened 330 260-360 210-300 .003-.006 .004-.008 .005-.009 .005-.010
Stainless Steel Cast Austenitic Austenitic 200 330-360 260-300 .003-.006 .004-.008 .005-.009 .005-.010
Hardened 330 240-330 190-300 .003-.006 .004-.008 .005-.009 .005-.010
S Hi-Temp Alloys Annealed (Iron based) 200 180-200 140-200 .002-.005 .003-.006 .004-.007 .004-.007
Aged (Iron Based) 280 120-160 100-100 .002-.005 .003-.006 .004-.007 .004-.007
Annealed (Nickel or Cobalt based) 250 80-100 60-100 .002-.005 .003-.006 .004-.007 .004-.007
Aged (Nickel or Cobalt Based ) 350 60-80 50-100 .002-.005 .003-.006 .004-.007 .004-.007
Titanium Alloys Pure99.5Ti 400Rm 590-560 470-400 .002-.005 .003-.006 .004-.007 .004-.007
a+ßAlloys 1050Rm 200-230 160-200 .002-.005 .003-.006 .004-.007 .004-.007
H Extra Hard Steel Hardened & tempered 55HRc 180-200 140-200 .002-.005 .003-.006 .004-.007 .004-.007
K Malleable Cast iron Ferritic (short chips) 130 280-530 220-400 .004-.006 .005-.008 .006-.010 .006-.010
Pearlitic (long chips) 230 240-480 190-400 .004-.006 .005-.008 .006-.010 .006-.010
Gray Cast Iron Low tensile strength 180 280-430 220-300 .004-.006 .005-.008 .006-.010 .006-.010
High tensile strength 260 240-380 190-300 .004-.006 .005-.008 .006-.010 .006-.010
Nodular Iron Feritic 160 490-530 390-400 .004-.006 .005-.008 .006-.010 .006-.010
Pearlitic 260 350-390 280-300 .004-.006 .005-.008 .006-.010 .006-.010
N Aluminum Alloys non aging 60 390-200 310-200 .004-.006 .005-.008 .006-.010 .006-.010
Aged 100 310-720 250-600 .004-.006 .005-.008 .006-.010 .006-.010
Cast 75 790-310 630-200 .004-.006 .005-.008 .006-.010 .006-.010
Cast & aged 90 790-920 630-700 .004-.006 .005-.008 .006-.010 .006-.010
Cast Si13-22% 130 240-590 190-500 .004-.006 .005-.008 .006-.010 .006-.010
Copper Alloys Brass 90 310-740 250-600 .004-.006 .005-.008 .006-.010 .006-.010
Bronze and non leaded Copper 100 310-840 250-700 .004-.006 .005-.008 .006-.010 .006-.010
Drill Safety Instructions
  • Always keep safety guards in place during entire drill operation
  • Do not touch the tools with bare hands
  • Always wear safety glasses and protective clothing to prevent burns or other injuries
  • Use special tools for removal of hot or sharp chips
  • Operator must have access to a fire extinguisher
  • Clamp work pieces securely
  • Apply recommended cutting conditions for a safe and efficient operation
  • Use adequate ventilation when grinding, some materials produce potentially hazardous dusts