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spde drill holders
spade drill holder drawing

Spade Drill Holders

Spade drill holders are robust, versatile tools designed to securely hold spade drill inserts for precise, large-diameter drilling. Constructed from durable steel, they support a wide range of insert sizes (typically 13mm to 65mm) and come in straight or spiral flute designs to optimize chip evacuation for horizontal or vertical machining. Available in various lengths for shallow to deep-hole drilling (up to 23xD) and with shanks like straight, Weldon, or Morse taper, they ensure compatibility with diverse machine spindles. Through-coolant capability enhances chip removal and cooling, boosting performance in demanding applications. Suitable for materials like steel, cast iron, and aluminum, these holders provide rigidity and stability, though proper matching with insert series, machine power, and coolant setup is critical to avoid vibration and ensure high-quality, efficient drilling.

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  • Versatile Insert Compatibility: Spade drill holders accommodate a range of insert sizes, typically supporting diameters from 13mm to 65mm , allowing a single holder to be used for multiple hole sizes, reducing inventory costs.
  • Flute Design: Available in straight or spiral flute configurations. Straight flute holders are ideal for horizontal machining centers, maximizing chip evacuation, while spiral flutes enhance chip removal in vertical setups or deeper holes.
  • Length and Depth Options: Holders come in various lengths, from short to long (up to 23xD for deep hole drilling), with specific series designed for different cutting depths and insert ranges.
  • Shank Types: Offered with various shank designs, including straight shanks , Weldon shanks, or Morse taper shanks , ensuring compatibility with different machine spindles. Coolant delivery varies by shank type, with Weldon holders featuring through-coolant from the rear and Morse taper holders from the side.
  • Through-Coolant Capability: Many holders support through-spindle coolant, which enhances chip evacuation, reduces heat, and improves performance, especially in deep-hole applications. Non-coolant machines can use adapters for compatibility.
  • High Rigidity and Stability: Made from durable, cost-effective steel, holders provide a rigid platform for inserts, minimizing vibration and ensuring precision. For deep holes (beyond 6xD), hardened shanks may be required to prevent twisting.
  • Universal and High-Performance Options: Holders can accept universal-style spade drill inserts or high-performance inserts (e.g., Allied’s T-A® or HP series) with advanced geometries for improved cutting efficiency and hole quality.
  • Application Flexibility: Suitable for drilling in materials like steel, cast iron, stainless steel, aluminum, and composites, with holders designed for both general-purpose and specialized tasks, including deep-hole drilling.
ModeI No.Chip Flute(S/H)Depth（L1）Total Length（L）Holder Dia（D1）/Holder Length（L2）Insert(MM)Insert Thickness(MM)ScrewWrench
SD00S-023-XP25S2311325/56D13.0-D17.53.18M2.5X8LT8
SD00S-035-XP255S3512225/56
SD00H-064-XP25H5415025/56
SD00H-114-XP25H11420125/56
SD00H-178-XP25H17826525/56
SD00S-240-XP25S24032725/56
S000H-240-XP25H24032725/56
SD00S-295-XP25S29038225/56
SD00S-387-XP25S35748025/56
SD05S-023-XP25S2311325/56D15.5-D17.53.18M2.5*6LT8
SD05S-035-XP25S3512225/56
SD05H-064-XP25H5415025/56
SD05H-114-XP25H11420125/56
SD05H-178-XP25H17026525/56
SD05S-240-XP25S24032725/56
SD05H-240-XP25H24032725/56
SD05S-295-XP25S29638225/56
SD05S-387-XP25535748025/56
SD10S-048-XP25S4810425/56D17.6-D24.43.97M3*8LT8
SD10S-067-XP25S5715725/56
SD10H-067-XP25H6715725/56
SD10H-118-XP25H11821225/56
SD10H-168-XP25H15826225/56
SD10H-218-XP25H21031225/56
SD10H-240-XP25H24033025/56
SD10H-270-XP25H27036425/56
SD10S-365-XP25S36645825/56
SD10S-457-XP25S45755125/56
SD10S-569-XP25S56066025/56
SD15S-057-XP25S5714725/56D22.0-D24.53.97M3X8LT8
SD15S-067-XP25S8715725/56
SD15H-067-XP25H5715725/56
SD15H-118-XP25H11821225/56
SD15H-168-XP25H15826225/56
SD15H-218-XP25H21831225/56
SD15H-240-XP25H24033025/56
SD15H-270-XP25H27036425/56
SD15S-365-XP25S30045825/56
SD15H-365-XP25H36645925/56
SD15S-457-XP25S45755125/56
SD15S-569-XP25S56966025/56
SD20S-057-XP32S5715432/60D24.5-D35.04.76M3.5X10LT15
SD20S-086-XP32S8619032/60
SD20H-086-XP32H8619032/60
SD20H-137-XP32H13724032/60
SD20H-187-XP32H18729032/60
SD20H-237-XP32H23734032/60
SD20H-289-XP32H28939232/60
SD20H-350-XP32H35045632/60
SD20H-400-XP32H40050332/60
SD20S-511-XP32S51161432/60
SD20S-692-XP32S69279532/60
SD25H-086-XP32H8619032/60D30.0-D35.04.76M3.5X10LT15
SD25S-096-XP32S9620032/60
SD25H-137-XP32H13724332/60
SD25H-187-XP32H18729332/60
SD25H-237-XP32H23734332/60
SD25H-289-XP32H28939532/60
SD25H-350-XP32H35045632/60
SD25H-400-XP32H40050332/60
SD25S-400-XP32S40050332/60
SD25S-511-XP32S51161432/60
SD30S-076-XP40S07620840/70D35.1-D47.96.34M5X10LT20
SD30H-076-XP40H07620840/70
SD30S-121-XP40S12124840/70
SD30H-165-XP40H16529240/70
SD30H-210-XP40H21033740/70
SD30H-260-XP40H26038740/70
SD30S-349-XP40S34947140/70
SD30H-349-XP40H34947140/70
SD30S-559-XP40S55968140/70
SD30S-787-XP40S78791040/70
SD35S-076-XP4087613540/70D42.0-D47.96.35M5X10LT20
SD35S-121-XP40S12124840/70
SD35H-165-XP40H16529240/70
SD35H-210-XP40H21033740/70
SD35S-260-XP40S26038740/70
SD35S-349-XP40S34947240/70
SD35H-349-XP40H34947240/70
SD35S-559-XP40S55968140/70
SD35S-787-XP40S78791040/70
SD40S-130-XP40S13025540/70D48.0-D65.287.9M5X10LT20
SD40H-232-XP40H23236540/70
SD40S-350-XP40S35047540/70
SD40H-350-XP40H35047540/70
SD40H-422-XP40H42254740/70
SD40H-525-XP40H52564940/70
SD40H-625-XP40H62568540/70
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