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12-IN Hole Saw Extension

Making bit changes simple, secure and tool-free.

More Details

Spyder locking hole saw extensions are the durable solution for reliably extending your Spyder Hex8 or Hex10 hole saws. This one extension holds both Spyder Hex8 and Hex10 pilot bits. Pilot bits are easily inserted into an auto-entry locking mechanism, making bit changes simple, secure and tool-free. When the pilot bit needs to be removed, simply pull back on the knurled sleeve and bits are released from the locking mechanism. A 3/8-in male hex securely fits into 3-jaw chucks.

  • One extension securely holds both Spyder Hex8 and Hex10 hole saw pilot bits for increased reach
  • Auto-locking extension retains hole saws for reliable hole cutting
  • Auto-entry mechanism makes extending hole saws easy
  • Compatible with both Spyder Hex8 and Hex10 Rapid Core Eject™ hole saw pilot bits
  • Simply pull back the locking collar to release pilot bits – no tools required
  • 6-in overall length
  • 3/8-in male hex securely fits into 3-jaw chucks

Product Specifications




8, 10

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Hex-based pilot bits are intended to be used with a hex arbor adapter and hole saws. To minimize the risk of serious injury always use eye/respiratory protection and other PPE. Use the pilot bit and hole saw to drill only the materials listed on the product label. Make certain that the pilot bit is correctly sized for the hole saw being used. Always be sure that the drill bit protrudes above the saw teeth ¼” to 1” depending on the size of the saw. Follow RPM recommendations on the packaging for materials being cut and diameter of saw being used. Check the hole saw before use in the power tool – if excessive wear is present, the saw is bent, teeth are fractured or damaged, replace saw before use. Use a drill motor that is equipped with a support handle and start drilling with a light forward pressure. Important instructions and warnings are contained in the tool owner’s manual – please refer to the power tool owner’s manual before using the tool with this tool. Failure to heed all safety instructions, warnings, and in-use recommendations by the power tool manufacturer regarding the use of the reciprocating saw and blade could result in serious bodily injury.

HOLE SAWS ARE NOT TO BE USED IN HAMMER OR IMPACT MODE – only drill in standard rotary drilling mode or saw may become damaged/broken and may increase the likelihood of user injury.