Contact Create Account / Log In Help / FAQ Tech Central Repairs Product release Our Brands Shop Sales Highspeed All Parts by Brand ADEC ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MICROMA MIDWEST MK DENT MMI MORITA NSK PALISADES DENTAL PATTERSON SAFCO SIEMENS SIRONA STAR W&H YOSHIDA Turbine Cartridges DYNAMIC PERFECTION+ ADEC ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MICROMA MIDWEST MK DENT MMI NSK PALISADES DENTAL PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA Sub-assemblies ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS MIDWEST MK DENT NSK PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA Canisters MINI HEAD STANDARD HEAD TORQUE HEAD SureGrip Autochucks, Spindles, & Collets ATHENA BIEN AIR BRASSELER CANISTERS CASTELLINI DABI ATLANTE DARBY HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MIDWEST MK DENT MMI NSK PALISADES DENTAL SIEMENS SIRONA STAR W&H YOSHIDA Head Caps ADEC ADEC | W&H BEYES BIEN AIR BRASSELER CANISTER CASTELLINI DABI ATLANTE HENRY SCHEIN KAVO LARES MIDWEST MK DENT NSK PALISADES DENTAL STAR W&H YOSHIDA SureFix Kits Bearings Other Parts COUPLER O-RING SETS GASKETS GLASS OPTIC RODS O-RINGS / QUAD RINGS OPTIC BULBS OTHER HARDWARE WATER SPRAY KITS & O-RING SETS Lowspeed KaVo 68 LH / 67 LH Micromite Midwest RDH RHINO XP SHORTY SINGLE SPEED SHORTY TWO SPEED TRU-TORC 1 TRU-TORC 2 MTI MANUAL CHUCK PUSH BUTTON NSK Star TITAN I TITAN II TITAN 3 All Lowspeed Bearings Bearing Interchange 1:5 Contra Angle Bien Air KaVo 25 LP / LPA / LPR NSK Sirona T1 LINE C 200 / C 200 L / T1 CLASSIC S 200 / S 200 L T1 LINE C 200 / C 200 L / T1 CLASSIC S 200 / S 200 L MINI Star W&H All 1:5 Contra Angle Bearings Bearing Interchange Air Scaler KaVo Micro-Mega Star Laboratory Bien Air LAB TD 783 / TDS 890 FRICTION GRIP Henry Schein MASTER L35 Z-35 Z-35 II Jelenko CARV-AIRE Neytech HURRICANE NSK PRESTO AQUA / AQUA II PRA-HP FRICTION GRIP PRESTO PR-HP / PRESTO II PR-304 FRICTION GRIP Dental Bearings SureFix Kits ADEC BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MIDWEST MK DENT MORITA PALISADES DENTAL PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA NSK Highspeed XTRA CERAMIC STEEL MAINTENANCEFREE Lowspeed 1:5 Contra Angle BIEN AIR KAVO NSK SIRONA STAR W&H Bearing Interchange Tools & Testing Electric Attachment Repair Tools & Equipment EZ Press & Accessories Test Equipment Cap Wrenches Head Expanders Bur Tools Other Tooling Instructions Dental Handpieces TTBio Brand Highspeed Lowspeed HANDPIECES ATTACHMENTS HEADS ValuPak Autochucks Bearings Bien Air BLACK PEARL PUSH BUTTON BORA PUSH BUTTON Brasseler N75S / NL85S NL9000M / NL9000KM NL9000S / NL9000KS NL9000T / NL9000KT KaVo BELLATORQUE 639 B / 639 C / 642 B / 642 C / 645 B / 645 C / CONTACT-AIR 632 D / 632 E / 632 EA PUSH BUTTON COMPACTTORQUE 636 CP / 636 P / POWERTORQUE 646 B / 646 C PUSH BUTTON MIRA LUX MULTIFLEX 635 B PUSH BUTTON SUPERTORQUE 625 CD PUSH BUTTON SUPERTORQUE 630 B / 630 C / 640 B / 640 C PUSH BUTTON SUPERTORQUE 659 B PUSH BUTTON Kinetic Instruments VIPER 2 VIPER 350 / 5H Lares 557 / 557 TURBO+ PUSH BUTTON SAVER 757 MULTI-PORT PUSH BUTTON SAVER 757 WORKHORSE SINGLE-PORT PUSH BUTTON SAVER Midwest 300 SE / TRADITION MANUAL CHUCK QUIET-AIR LEVER QUIET-AIR MANUAL CHUCK TRADITION / XGT PUSH BUTTON TRADITION LEVER NSK A200L / MACH 2 M / MACH-LITE 2 M / MACH-LITE XT M / N-75M / NL-75M / NL-85M PUSH BUTTON A300L / MACH 2 S / MACH-LITE 2 S / MACH-LITE XT S PUSH BUTTON ALPHA-LITE S / PHATELUS I S PUSH BUTTON S-MAX M600 / M600L PUSH BUTTON TI-MAX X500 / X500L PUSH BUTTON TI-MAX X600 / X600L PUSH BUTTON TI-MAX X700 / X700L PUSH BUTTON Star 430 / SOLARA LUBEFREE PUSH BUTTON 430 / VISTA / SOLARA / STAR-FLEX LUBRICATED PUSH BUTTON W&H SYNEA TA-96 PUSH BUTTON 200 / 300 / 600 SERIES STANDARD HEAD PUSH BUTTON SYNEA TA-98 PUSH BUTTON TOPAIR / TOPLIGHT 100 / 700 / 800 SERIES MINI HEAD PUSH BUTTON TOPAIR / TOPLIGHT 100 / 700 / 800 SERIES STANDARD HEAD PB TREND TC-95 PUSH BUTTON Log In / Register Help / Faq Tech Central Repairs Product releases Our Brands Shop sales » Highspeed All Parts by Brand ADEC ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MICROMA MIDWEST MK DENT MMI MORITA NSK PALISADES DENTAL PATTERSON SAFCO SIEMENS SIRONA STAR W&H YOSHIDA Turbine Cartridges DYNAMIC PERFECTION+ ADEC ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MICROMA MIDWEST MK DENT MMI NSK PALISADES DENTAL PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA Sub-assemblies ADEC | W&H ATHENA BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS MIDWEST MK DENT NSK PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA Canisters MINI HEAD STANDARD HEAD TORQUE HEAD SureGrip Autochucks, Spindles, & Collets ATHENA BIEN AIR BRASSELER CANISTERS CASTELLINI DABI ATLANTE DARBY HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MIDWEST MK DENT MMI NSK PALISADES DENTAL SIEMENS SIRONA STAR W&H YOSHIDA Head Caps ADEC ADEC | W&H BEYES BIEN AIR BRASSELER CANISTER CASTELLINI DABI ATLANTE HENRY SCHEIN KAVO LARES MIDWEST MK DENT NSK PALISADES DENTAL STAR W&H YOSHIDA SureFix Kits Bearings Other Parts COUPLER O-RING SETS GASKETS GLASS OPTIC RODS O-RINGS / QUAD RINGS OPTIC BULBS OTHER HARDWARE WATER SPRAY KITS & O-RING SETS Lowspeed KaVo 68 LH / 67 LH Micromite Midwest RDH RHINO XP SHORTY SINGLE SPEED SHORTY TWO SPEED TRU-TORC 1 TRU-TORC 2 MTI MANUAL CHUCK PUSH BUTTON NSK Star TITAN I TITAN II TITAN 3 All Lowspeed Bearings Bearing Interchange 1:5 Contra Angle Bien Air KaVo 25 LP / LPA / LPR NSK Sirona T1 LINE C 200 / C 200 L / T1 CLASSIC S 200 / S 200 L T1 LINE C 200 / C 200 L / T1 CLASSIC S 200 / S 200 L MINI Star W&H All 1:5 Contra Angle Bearings Bearing Interchange Air Scaler KaVo Micro-Mega Star Laboratory Bien Air LAB TD 783 / TDS 890 FRICTION GRIP Henry Schein MASTER L35 Z-35 Z-35 II Jelenko CARV-AIRE Neytech HURRICANE NSK PRESTO AQUA / AQUA II PRA-HP FRICTION GRIP PRESTO PR-HP / PRESTO II PR-304 FRICTION GRIP Dental Bearings SureFix Kits ADEC BEYES BIEN AIR BRASSELER CASTELLINI DABI ATLANTE DARBY DENTEX HENRY SCHEIN KAVO KINETIC INSTRUMENTS LARES MIDWEST MK DENT MORITA PALISADES DENTAL PATTERSON SIEMENS SIRONA STAR W&H YOSHIDA NSK Highspeed XTRA CERAMIC STEEL MAINTENANCEFREE Lowspeed 1:5 Contra Angle BIEN AIR KAVO NSK SIRONA STAR W&H Bearing Interchange Tools & Testing Electric Attachment Repair Tools & Equipment EZ Press & Accessories Test Equipment Cap Wrenches Head Expanders Bur Tools Other Tooling Instructions Dental Handpieces TTBio Brand Highspeed Lowspeed HANDPIECES ATTACHMENTS HEADS ValuPak Autochucks Bearings Bien Air BLACK PEARL PUSH BUTTON BORA PUSH BUTTON Brasseler N75S / NL85S NL9000M / NL9000KM NL9000S / NL9000KS NL9000T / NL9000KT KaVo BELLATORQUE 639 B / 639 C / 642 B / 642 C / 645 B / 645 C / CONTACT-AIR 632 D / 632 E / 632 EA PUSH BUTTON COMPACTTORQUE 636 CP / 636 P / POWERTORQUE 646 B / 646 C PUSH BUTTON MIRA LUX MULTIFLEX 635 B PUSH BUTTON SUPERTORQUE 625 CD PUSH BUTTON SUPERTORQUE 630 B / 630 C / 640 B / 640 C PUSH BUTTON SUPERTORQUE 659 B PUSH BUTTON Kinetic Instruments VIPER 2 VIPER 350 / 5H Lares 557 / 557 TURBO+ PUSH BUTTON SAVER 757 MULTI-PORT PUSH BUTTON SAVER 757 WORKHORSE SINGLE-PORT PUSH BUTTON SAVER Midwest 300 SE / TRADITION MANUAL CHUCK QUIET-AIR LEVER QUIET-AIR MANUAL CHUCK TRADITION / XGT PUSH BUTTON TRADITION LEVER NSK A200L / MACH 2 M / MACH-LITE 2 M / MACH-LITE XT M / N-75M / NL-75M / NL-85M PUSH BUTTON A300L / MACH 2 S / MACH-LITE 2 S / MACH-LITE XT S PUSH BUTTON ALPHA-LITE S / PHATELUS I S PUSH BUTTON S-MAX M600 / M600L PUSH BUTTON TI-MAX X500 / X500L PUSH BUTTON TI-MAX X600 / X600L PUSH BUTTON TI-MAX X700 / X700L PUSH BUTTON Star 430 / SOLARA LUBEFREE PUSH BUTTON 430 / VISTA / SOLARA / STAR-FLEX LUBRICATED PUSH BUTTON W&H SYNEA TA-96 PUSH BUTTON 200 / 300 / 600 SERIES STANDARD HEAD PUSH BUTTON SYNEA TA-98 PUSH BUTTON TOPAIR / TOPLIGHT 100 / 700 / 800 SERIES MINI HEAD PUSH BUTTON TOPAIR / TOPLIGHT 100 / 700 / 800 SERIES STANDARD HEAD PB TREND TC-95 PUSH BUTTON 0.440 / 0.044 Autochuck Straight Part No. HNK551 Dealer Price: (Members Only) Qty: DESCRIPTION SPECIFICATIONS 0.440 / 0.044 Autochuck BacksteppedSureGrip™ Push Button Autochuck Spindle Length: 0.440" / 11.176 mm Actuator height: 0.044" / 1.118 mm Total length: 0.484" / 12.294 mm Coating: Diamond-like carbon (DLC) Design: Straight Chuck design: Wedge-type Features Heat-treated stainless steelPrecision ground to roundness tolerances of 0.000040" Exceeds ISO standard by 50% for true concentricity to reduce noise and vibrationInsertion depth and actuation force matches OEMSafe - provides reliable performance with undersized bursIndividually and clearly serialized for traceability Related 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NSK Ti-Max Z800L / Z900L Cap Wrench NSK Ti-Max Z900L Push Button Impeller NSK Ti-Max Z900L Push Button Turbine Cartridge / Angular Contact Bearings / CERAMIC Dealer Price: (Members Only) Add Dealer Price: (Members Only) Add Dealer Price: (Members Only) Add
