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.