40x12x1.5mm-35° Double-Edge Indexable Carbide Inserts
40x12x1.5mm-35° Double-Edge Indexable Carbide Inserts
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Precision Carbide Wood Lathe Chisel Set for CNC Turning
Precision Carbide Wood Lathe Chisel Set for CNC Turning

HSS Square Hole Drill Bit for Wood

Engineered for precision square hole drilling in hardwoods and softwoods, this bit delivers clean, straight cuts that minimize waste and reduce finishing labor. Its durable construction ensures consis…

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HSS Square Hole Drill Bit for Wood. Factory-direct from VPOINT TOOL — precision-ground carbide and PCD tooling for woodworking CNC machines, edge banding lines and panel processing.

Specification Value
Material HSS (high-speed steel)
Type HSS square hole drill bit
Typical application CNC boring and dowel drilling on wood panels
Design [待补充：刃数/角度/孔型，需工厂确认]
Grade HSS (high-speed steel)
MOQ 10 pcs / 50 pcs / 100 pcs (by size and type)
Lead time 7–10 days (standard), up to 15 days (custom or bulk)
Quality control 100% inspected before shipment; sample test report available
Compatible machines CNC machining centres — specify brand & model when enquiring
Suitable materials MDF / laminate / solid wood / plywood

Why buy from the factory

  • Replaceable-knife systems cut running cost and machine downtime.
  • OEM / ODM custom geometry from your drawings or samples.
  • Every order 100% inspected before shipment; sample test report available.

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7-Piece HSS Square Hole Drill Bit Set — Application Guide

Reference: Standard HSS square hole mortise chisel specifications. Source: manufacturer product listings.

Product Overview

This 7-piece set of high-speed steel (HSS) square hole drill bits is designed for creating clean, precise square holes in wood. The set includes mortising chisel bits in 7 sizes: 1/4" (6.4mm), 5/16" (8mm), 3/8" (9.5mm), 25/64" (10mm), 1/2" (12.7mm), 9/16" (14mm), and 5/8" (16mm).

Key Specifications

  • Material: High-Speed Steel (HSS), heat-treated for hardness up to HRC 48-50
  • Sizes Included: 1/4", 5/16", 3/8", 25/64", 1/2", 9/16", 5/8"
  • Shank Type: Round shank, compatible with most mortise machines
  • Design: Lengthened core for high concentricity, sharp square chisel edges
  • Chip Extraction: High-performance flute geometry for superior chip removal

How to Use

  1. Select the correct size — Choose the bit that matches your required square hole dimension from the 7 available sizes.
  2. Install in mortise machine — Insert the round shank into your mortise machine or drill press mortising attachment. Ensure it is securely tightened.
  3. Position the workpiece — Clamp your wood piece firmly on the mortise machine table. Mark the square hole location before drilling.
  4. Drill the hole — The inner auger bit drills the round hole first and clears wood chips. The outer square chisel then cuts the four corners to create a clean square hole.
  5. Remove and clean — After each hole, retract the bit and clear any wood chips from the flutes to maintain cutting efficiency.

Applications

  • Furniture making — mortise and tenon joints for chairs, tables, and cabinets
  • Door and window frame construction
  • Woodworking joinery requiring precise square holes
  • Works with softwood, hardwood, MDF, and plywood

Safety Precautions

  • Wear safety goggles to protect against wood chip debris.
  • Ensure the workpiece is securely clamped before drilling.
  • Use only with a mortise machine or mortising drill press attachment — not for handheld drills.
  • Allow the bit to cool between extended use to prevent overheating.
  • Keep hands away from the rotating bit during operation.

Care and Maintenance

  • Apply cutting oil occasionally to reduce friction and extend bit life.
  • Clean bits after each use and store in the included storage cases.
  • Sharpen or replace bits when cutting performance decreases.
  • Store in a dry environment to prevent rust on HSS surfaces.

Content sourced from standard HSS mortising chisel product specifications and manufacturer listings.

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