• Korloy BT Modular Arbor BT-MD
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Korloy BT Modular Arbor BT-MD

Korloy BT Modular Arbor BT-MD

BT30/BT40/BT50 basic holder with MD modular connection for boring heads, extensions and reducers.

Key features

  • Versatile modular tooling for FMS
  • Special joining screw for high accuracy (error less than 5 microns)
  • Cutting edge aligned with drive key groove
  • Accuracy and stiffness comparable to one-piece tools
BT30-MD19F-70 Taper: BT30 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 70 | L1 (mm): 45 | Thread G: M5 | Figure: 1
BT30-MD25F-90 Taper: BT30 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 90 | L1 (mm): 63 | Thread G: M6 | Figure: 1
BT30-MD32F-80 Taper: BT30 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 80 | L1 (mm): 55 | Thread G: M8 | Figure: 1
BT30-MD40F-45 Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 45 | L1 (mm): 22 | Thread G: M8 | Figure: 1
BT30-MD40F-60 Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 36 | Thread G: M10 | Figure: 1
BT30-MD40F-80 Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 80 | L1 (mm): 56 | Thread G: M10 | Figure: 1
BT30-MD50F-70 Taper: BT30 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 70 | L1 (mm): 48 | Thread G: M12 | Figure: 3
BT40-MD19F-70 Taper: BT40 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 70 | L1 (mm): 40 | Thread G: M5 | Figure: 1
BT40-MD25F-95 Taper: BT40 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 95 | L1 (mm): 63 | Thread G: M6 | Figure: 1
BT40-MD25F-105R Taper: BT40 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 105 | L1 (mm): 40 | Thread G: M6 | Figure: 2
BT40-MD32F-100 Taper: BT40 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 100 | L1 (mm): 70 | Thread G: M8 | Figure: 1
BT40-MD32F-115R Taper: BT40 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 115 | L1 (mm): 45 | Thread G: M8 | Figure: 2
BT40-MD40F-60 Taper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 31 | Thread G: M10 | Figure: 1
BT40-MD40F-110R Taper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 110 | L1 (mm): 60 | Thread G: M10 | Figure: 2
BT40-MD40F-115 Taper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 115 | L1 (mm): 83 | Thread G: M10 | Figure: 1
BT40-MD50F-105 Taper: BT40 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 105 | L1 (mm): 73 | Thread G: M12 | Figure: 1
BT40-MD63F-64 Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 64 | L1 (mm): 37 | Thread G: M16 | Figure: 1
BT40-MD63F-110 Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 110 | L1 (mm): 83 | Thread G: M16 | Figure: 1
BT40-MD63F-135 Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 135 | L1 (mm): 108 | Thread G: M16 | Figure: 1
BT40-MD80F-100 Taper: BT40 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 100 | L1 (mm): 73 | Thread G: M16 | Figure: 3
BT50-MD19F-85 Taper: BT50 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 85 | L1 (mm): 44 | Thread G: M5 | Figure: 1
BT50-MD25F-105 Taper: BT50 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 105 | L1 (mm): 62 | Thread G: M6 | Figure: 1
BT50-MD25F-120R Taper: BT50 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 120 | L1 (mm): 40 | Thread G: M6 | Figure: 2
BT50-MD32F-110 Taper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 110 | L1 (mm): 67 | Thread G: M8 | Figure: 1
BT50-MD32F-115R Taper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 115 | L1 (mm): 45 | Thread G: M8 | Figure: 2
BT50-MD32F-235R Taper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 235 | L1 (mm): 115 | Thread G: M8 | Figure: 2
BT50-MD40F-60 Taper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 22 | Thread G: M10 | Figure: 1
BT50-MD40F-195 Taper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 195 | L1 (mm): 152 | Thread G: M10 | Figure: 1
BT50-MD40F-230R Taper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 230 | L1 (mm): 180 | Thread G: M10 | Figure: 2
BT50-MD50F-125 Taper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 125 | L1 (mm): 82 | Thread G: M12 | Figure: 1
BT50-MD50F-225 Taper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 225 | L1 (mm): 182 | Thread G: M12 | Figure: 1
BT50-MD50F-250R Taper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 250 | L1 (mm): 81 | Thread G: M12 | Figure: 2
BT50-MD63F-75 Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 75 | L1 (mm): 35 | Thread G: M16 | Figure: 1
BT50-MD63F-130 Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 130 | L1 (mm): 87 | Thread G: M16 | Figure: 1
BT50-MD63F-195 Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 195 | L1 (mm): 152 | Thread G: M16 | Figure: 1
BT50-MD63F-230 Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 230 | L1 (mm): 187 | Thread G: M16 | Figure: 1
BT50-MD80F-75 Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 75 | L1 (mm): 36 | Thread G: M16 | Figure: 1
BT50-MD80F-110 Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 110 | L1 (mm): 69 | Thread G: M16 | Figure: 1
BT50-MD80F-175 Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 175 | L1 (mm): 134 | Thread G: M16 | Figure: 1
BT50-MD90F-75 Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 75 | L1 (mm): 34 | Thread G: M16 | Figure: 1
BT50-MD90F-145 Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 145 | L1 (mm): 104 | Thread G: M16 | Figure: 1
BT50-MD90F-195 Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 195 | L1 (mm): 154 | Thread G: M16 | Figure: 1
Modular ArborsKorloy
42 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Korloy BT Modular Arbor BT-MD

Brand Korloy·Modular Arbors

Available part numbers (42)

BT30-MD19F-70, BT30-MD25F-90, BT30-MD32F-80, BT30-MD40F-45, BT30-MD40F-60, BT30-MD40F-80, BT30-MD50F-70, BT40-MD19F-70, BT40-MD25F-95, BT40-MD25F-105R + 32 more — see full table ↓

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Send the Korloy part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
BT30-MD19F-70Taper: BT30 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 70 | L1 (mm): 45 | Thread G: M5 | Figure: 1
BT30-MD25F-90Taper: BT30 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 90 | L1 (mm): 63 | Thread G: M6 | Figure: 1
BT30-MD32F-80Taper: BT30 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 80 | L1 (mm): 55 | Thread G: M8 | Figure: 1
BT30-MD40F-45Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 45 | L1 (mm): 22 | Thread G: M8 | Figure: 1
BT30-MD40F-60Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 36 | Thread G: M10 | Figure: 1
BT30-MD40F-80Taper: BT30 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 80 | L1 (mm): 56 | Thread G: M10 | Figure: 1
BT30-MD50F-70Taper: BT30 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 70 | L1 (mm): 48 | Thread G: M12 | Figure: 3
BT40-MD19F-70Taper: BT40 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 70 | L1 (mm): 40 | Thread G: M5 | Figure: 1
BT40-MD25F-95Taper: BT40 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 95 | L1 (mm): 63 | Thread G: M6 | Figure: 1
BT40-MD25F-105RTaper: BT40 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 105 | L1 (mm): 40 | Thread G: M6 | Figure: 2
BT40-MD32F-100Taper: BT40 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 100 | L1 (mm): 70 | Thread G: M8 | Figure: 1
BT40-MD32F-115RTaper: BT40 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 115 | L1 (mm): 45 | Thread G: M8 | Figure: 2
BT40-MD40F-60Taper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 31 | Thread G: M10 | Figure: 1
BT40-MD40F-110RTaper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 110 | L1 (mm): 60 | Thread G: M10 | Figure: 2
BT40-MD40F-115Taper: BT40 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 115 | L1 (mm): 83 | Thread G: M10 | Figure: 1
BT40-MD50F-105Taper: BT40 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 105 | L1 (mm): 73 | Thread G: M12 | Figure: 1
BT40-MD63F-64Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 64 | L1 (mm): 37 | Thread G: M16 | Figure: 1
BT40-MD63F-110Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 110 | L1 (mm): 83 | Thread G: M16 | Figure: 1
BT40-MD63F-135Taper: BT40 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 135 | L1 (mm): 108 | Thread G: M16 | Figure: 1
BT40-MD80F-100Taper: BT40 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 100 | L1 (mm): 73 | Thread G: M16 | Figure: 3
BT50-MD19F-85Taper: BT50 | Modular size: MD19F | C (mm): 19 | D (mm): 11 | L (mm): 85 | L1 (mm): 44 | Thread G: M5 | Figure: 1
BT50-MD25F-105Taper: BT50 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 105 | L1 (mm): 62 | Thread G: M6 | Figure: 1
BT50-MD25F-120RTaper: BT50 | Modular size: MD25F | C (mm): 25 | D (mm): 14 | L (mm): 120 | L1 (mm): 40 | Thread G: M6 | Figure: 2
BT50-MD32F-110Taper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 110 | L1 (mm): 67 | Thread G: M8 | Figure: 1
BT50-MD32F-115RTaper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 115 | L1 (mm): 45 | Thread G: M8 | Figure: 2
BT50-MD32F-235RTaper: BT50 | Modular size: MD32F | C (mm): 32 | D (mm): 18 | L (mm): 235 | L1 (mm): 115 | Thread G: M8 | Figure: 2
BT50-MD40F-60Taper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 60 | L1 (mm): 22 | Thread G: M10 | Figure: 1
BT50-MD40F-195Taper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 195 | L1 (mm): 152 | Thread G: M10 | Figure: 1
BT50-MD40F-230RTaper: BT50 | Modular size: MD40F | C (mm): 40 | D (mm): 22 | L (mm): 230 | L1 (mm): 180 | Thread G: M10 | Figure: 2
BT50-MD50F-125Taper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 125 | L1 (mm): 82 | Thread G: M12 | Figure: 1
BT50-MD50F-225Taper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 225 | L1 (mm): 182 | Thread G: M12 | Figure: 1
BT50-MD50F-250RTaper: BT50 | Modular size: MD50F | C (mm): 50 | D (mm): 28 | L (mm): 250 | L1 (mm): 81 | Thread G: M12 | Figure: 2
BT50-MD63F-75Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 75 | L1 (mm): 35 | Thread G: M16 | Figure: 1
BT50-MD63F-130Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 130 | L1 (mm): 87 | Thread G: M16 | Figure: 1
BT50-MD63F-195Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 195 | L1 (mm): 152 | Thread G: M16 | Figure: 1
BT50-MD63F-230Taper: BT50 | Modular size: MD63F | C (mm): 63 | D (mm): 36 | L (mm): 230 | L1 (mm): 187 | Thread G: M16 | Figure: 1
BT50-MD80F-75Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 75 | L1 (mm): 36 | Thread G: M16 | Figure: 1
BT50-MD80F-110Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 110 | L1 (mm): 69 | Thread G: M16 | Figure: 1
BT50-MD80F-175Taper: BT50 | Modular size: MD80F | C (mm): 80 | D (mm): 45 | L (mm): 175 | L1 (mm): 134 | Thread G: M16 | Figure: 1
BT50-MD90F-75Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 75 | L1 (mm): 34 | Thread G: M16 | Figure: 1
BT50-MD90F-145Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 145 | L1 (mm): 104 | Thread G: M16 | Figure: 1
BT50-MD90F-195Taper: BT50 | Modular size: MD90F | C (mm): 90 | D (mm): 45 | L (mm): 195 | L1 (mm): 154 | Thread G: M16 | Figure: 1

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