CHIA MAO PRECISION TOOLS CO., LTD.
NAIA Member(Service extension)

 Company Profile Internal BroachesKeyway BroachesExternal BroachesCombination BroachesGaugesSamples by Chia Mao Broaches
Product Name
Spline Broach
Product Description

Internal broach for cutting splines as following.

Involute Spline

Broach splines where the sides of the equally-spaced grooves are involute.

Parallel Key Spline

Broach splines where the sides of the equally-spaced grooves are parallel in both directions, radial and axial.

Crowned Spline

Broach crowned where the sides of the equally-spaced grooves are usually involute, but the male teeth are modified to allow for misalignment.

Serrations Spline

Broach splines where the sides of the equally-spaced grooves form a "V". These are usually used on small-diameter shafts.

Ball Spline

Broach splines where the teeth of the outer part are implemented with a ball bearing to allow for free linear motion even under high torque.

Product Name
Ring Gear Broach
Product Description

Ring gear is an internal gear often put to use in electric screwdrivers, oscillating sprinklers, windup alarm clocks, bicycle mechanisms and pumps, along with many other everyday objects.

Product Name
Round Broach (with Burnishing Broach)
Product Description

Round broaches are finishing broaches used for high precise round hole. Burnishing Broach with smooth radius teeth without edges is used to smooth a surface by compression.

Product Name
Internal Helical Broach
Product Description

Broach splines where the equally-spaced grooves form a helix about the shaft. The sides may be parallel or involute. This can either minimize stress concentrations for a stationary joint under high load, or allow for rotary and linear motion between the parts. Usually used in helical transmission system.

Product Name
Internal Rack Broach
Product Description

Broach internal racks. Usually used in door closer parts.

Product Name
Internal Form Broach
Product Description

Internal form broach can be square broach, hexagon broach, double hexagon broach, rectangle broach or any other special internal form broach. With our 30+ experience in broach industry, we are able to help customer to design and manufacture any kind of internal form broach.

Product Name
Push broach
Product Description

Push broach is a kind of broach that is pushed through or over the surface of the work part. It can be any kind of broach type but requires a press machine to work with.