
engineered standard diameter solution diameter first choice
alternate choice P M K N S H range accuracy range accuracy
HSR™ — Solid Carbide IT6
.196–.551" .056–1.00" .0004" .0003"
High-Speed Reamer IT7 >.39"
5–14mm 1,4–25,4mm 10 μm 7 μm
Carbide >10mm
HSR — Carbide Tipped
.551–1.26" .551–2.55" .0004" .0003"
High-Speed Reamer IT7 IT6
14–32mm 14–65mm 10 μm 7 μm
Carbide/Cermet
ROTAFLEX™ FBHBB .0002– .236–.866" .0002"
Fine-Boring IT7 — — .0004"
6–22mm 5 μm Carbide/Cermet/PCD/CBN 5–10 μm
ROTAFLEX FBH .0002– .866–4.25" .0002"
Fine-Boring IT7 — — .0004"
22–115mm 5 μm Carbide/Cermet/PCD/CBN 5–10 μm
ROTAFLEX TCHS .886–4.52" .0004"
Roughing IT7 — — >.0008"
22,5–115mm 10 μm Carbide/Cermet/PCD/CBN >20 μm
ROTAFLEX Small Bridge Tools 3.425–7.87" .0004"
Roughing IT7 — — >.0008"
87–200mm 10 μm Carbide/Cermet/PCD/CBN >20 μm
ROTAFLEX Large Bridge Tools 7.87–20.47" .0004"
Roughing IT7 — — >.0008"
200–520mm 10 μm Carbide/Cermet/PCD/CBN >20 μm
Fine-Boring Cartridges .0002– 3.425–20.47" .0002"
Fine-Boring IT7 — — .0004"
87–520mm 5 μm Carbide/Cermet/PCD/CBN 5–10 μm
Countersinking .0004" .0004"
Round Tools – – – IT7
10 μm 10 μm Steel Base
for standard Port Cutters
ports .0004" .0004"
Carbide/Cermet – – IT7
SAE, BSPP, 10 μm 10 μm
Steel Base ISO
PCD
.394–4.00" .0004" .0004"
Round Tools – – IT6
10–100mm 10 μm 10 μm
Steel Base CBN
PCD
.197–1.00" .0002" .0003"
Round Tools – – IT6
5–25mm 5 μm 7 μm
Carbide Base
Cylindricity Position NOTE: Process- and application-dependent. NOTE: Process- and application-dependent. Highly dependent on the pre-machine hole accuracy. Highly dependent on the pre-machine hole accuracy. Use of high-performance drilling/pre-machining tools Use of high-performance drilling/pre-machining tools mandatory to reach values. mandatory to reach values.