• TAUMAX FZ Micro Boring Bar BT-BKA
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TAUMAX FZ Micro Boring Bar BT-BKA

TAUMAX FZ Micro Boring Bar BT-BKA

BT shank micro boring bar holding inclined FZ boring units; the boring unit is purchased separately.

Specifications

Coolant No internal coolant
BT30-BKA28-150 L (mm): 150 | L1 (mm): 123 | ØD1 (mm): 25 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 0.9 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT30-BKA36-150 L (mm): 150 | L1 (mm): 125 | ØD1 (mm): 32 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 1.2 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT30-BKA45-150 L (mm): 150 | L1 (mm): 128 | ØD1 (mm): 40 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 1.6 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA23-150 L (mm): 150 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 1.6 | Boring unit: FZ8-..-3[S] (sold separately) | Stock: Yes
BT40-BKA23-225 L (mm): 225 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 2.8 | Boring unit: FZ8-..-3[S] (sold separately)
BT40-BKA28-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 1.5 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT40-BKA28-225 L (mm): 225 | L1 (mm): 125 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 2.6 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT40-BKA36-165 L (mm): 165 | L1 (mm): 133 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 1.9 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT40-BKA36-225 L (mm): 225 | L1 (mm): 193 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 2.8 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT40-BKA45-165 L (mm): 165 | L1 (mm): 133 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 2.3 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA45-225 L (mm): 225 | L1 (mm): 208 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 3 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA56-165 L (mm): 165 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 3 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT40-BKA56-240 L (mm): 240 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 4.2 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT40-BKA72-165 L (mm): 165 | ØD1 (mm): 63 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 4 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT40-BKA72-240 L (mm): 240 | ØD1 (mm): 63 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 5.7 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT40-BKA90-165 L (mm): 165 | L2 (mm): 100 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 4.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT40-BKA90-240 L (mm): 240 | L2 (mm): 100 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 6.8 | Boring unit: FZ32-..-3[S] (sold separately)
BT50-BKA23-150 L (mm): 150 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 4.2 | Boring unit: FZ8-..-3[S] (sold separately)
BT50-BKA23-225 L (mm): 225 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 5.3 | Boring unit: FZ8-..-3[S] (sold separately)
BT50-BKA28-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 4.1 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT50-BKA28-225 L (mm): 225 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 5.1 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT50-BKA36-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 4.4 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT50-BKA36-225 L (mm): 225 | L1 (mm): 182 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 4.9 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT50-BKA45-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 4.8 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT50-BKA45-225 L (mm): 225 | L1 (mm): 182 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 5.5 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT50-BKA56-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 5.5 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT50-BKA56-240 L (mm): 240 | L1 (mm): 197 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 6.7 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT50-BKA72-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 80 | ØD1 (mm): 63 | ØD2 (mm): 68 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 6.5 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT50-BKA72-240 L (mm): 240 | L1 (mm): 197 | L2 (mm): 80 | ØD1 (mm): 63 | ØD2 (mm): 68 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 8.5 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT50-BKA90-165 L (mm): 165 | L1 (mm): 122 | L2 (mm): 90 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 7.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT50-BKA90-240 L (mm): 240 | L1 (mm): 197 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 10.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT50-BKA110-270 L (mm): 270 | ØD1 (mm): 100 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 14.8 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
Boring BarsTAUMAX
32 product codes available in this family
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TAUMAX FZ Micro Boring Bar BT-BKA

Brand TAUMAX·Boring Bars

Available part numbers (32)

BT30-BKA28-150, BT30-BKA36-150, BT30-BKA45-150, BT40-BKA23-150, BT40-BKA23-225, BT40-BKA28-165, BT40-BKA28-225, BT40-BKA36-165, BT40-BKA36-225, BT40-BKA45-165 + 22 more — see full table ↓

How to order

Send the TAUMAX 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-BKA28-150L (mm): 150 | L1 (mm): 123 | ØD1 (mm): 25 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 0.9 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT30-BKA36-150L (mm): 150 | L1 (mm): 125 | ØD1 (mm): 32 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 1.2 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT30-BKA45-150L (mm): 150 | L1 (mm): 128 | ØD1 (mm): 40 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 1.6 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA23-150L (mm): 150 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 1.6 | Boring unit: FZ8-..-3[S] (sold separately) | Stock: Yes
BT40-BKA23-225L (mm): 225 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 2.8 | Boring unit: FZ8-..-3[S] (sold separately)
BT40-BKA28-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 1.5 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT40-BKA28-225L (mm): 225 | L1 (mm): 125 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 2.6 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT40-BKA36-165L (mm): 165 | L1 (mm): 133 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 1.9 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT40-BKA36-225L (mm): 225 | L1 (mm): 193 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 2.8 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT40-BKA45-165L (mm): 165 | L1 (mm): 133 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 2.3 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA45-225L (mm): 225 | L1 (mm): 208 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 3 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT40-BKA56-165L (mm): 165 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 3 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT40-BKA56-240L (mm): 240 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 4.2 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT40-BKA72-165L (mm): 165 | ØD1 (mm): 63 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 4 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT40-BKA72-240L (mm): 240 | ØD1 (mm): 63 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 5.7 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT40-BKA90-165L (mm): 165 | L2 (mm): 100 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 4.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT40-BKA90-240L (mm): 240 | L2 (mm): 100 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 6.8 | Boring unit: FZ32-..-3[S] (sold separately)
BT50-BKA23-150L (mm): 150 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 4.2 | Boring unit: FZ8-..-3[S] (sold separately)
BT50-BKA23-225L (mm): 225 | L1 (mm): 95 | L2 (mm): 40 | ØD1 (mm): 20 | ØD2 (mm): 22 | Unit bore ØW (mm): 8 | G (thread): M6 | Weight (kg): 5.3 | Boring unit: FZ8-..-3[S] (sold separately)
BT50-BKA28-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 4.1 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT50-BKA28-225L (mm): 225 | L1 (mm): 122 | L2 (mm): 50 | ØD1 (mm): 25 | ØD2 (mm): 26 | Unit bore ØW (mm): 10 | G (thread): M6 | Weight (kg): 5.1 | Boring unit: FZ10-..-3[S] (sold separately) | Stock: Yes
BT50-BKA36-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 4.4 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT50-BKA36-225L (mm): 225 | L1 (mm): 182 | L2 (mm): 60 | ØD1 (mm): 32 | ØD2 (mm): 35 | Unit bore ØW (mm): 12 | G (thread): M8 | Weight (kg): 4.9 | Boring unit: FZ12-..-3[S] (sold separately) | Stock: Yes
BT50-BKA45-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 4.8 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT50-BKA45-225L (mm): 225 | L1 (mm): 182 | L2 (mm): 70 | ØD1 (mm): 40 | ØD2 (mm): 44 | Unit bore ØW (mm): 16 | G (thread): M10 | Weight (kg): 5.5 | Boring unit: FZ16-..-3[S] (sold separately) | Stock: Yes
BT50-BKA56-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 5.5 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT50-BKA56-240L (mm): 240 | L1 (mm): 197 | L2 (mm): 70 | ØD1 (mm): 50 | ØD2 (mm): 54 | Unit bore ØW (mm): 20 | G (thread): M12 | Weight (kg): 6.7 | Boring unit: FZ20-..-3[S] (sold separately) | Stock: Yes
BT50-BKA72-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 80 | ØD1 (mm): 63 | ØD2 (mm): 68 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 6.5 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT50-BKA72-240L (mm): 240 | L1 (mm): 197 | L2 (mm): 80 | ØD1 (mm): 63 | ØD2 (mm): 68 | Unit bore ØW (mm): 25 | G (thread): M16 | Weight (kg): 8.5 | Boring unit: FZ25-..-3[S] (sold separately) | Stock: Yes
BT50-BKA90-165L (mm): 165 | L1 (mm): 122 | L2 (mm): 90 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 7.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT50-BKA90-240L (mm): 240 | L1 (mm): 197 | ØD1 (mm): 80 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 10.9 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes
BT50-BKA110-270L (mm): 270 | ØD1 (mm): 100 | Unit bore ØW (mm): 32 | G (thread): M20 | Weight (kg): 14.8 | Boring unit: FZ32-..-3[S] (sold separately) | Stock: Yes

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