Groove Joint Pliers with Nickel Plated

Model Number: HM1202A

Size: 8” , 10”, 12” and 15”

Brand: HOMAR or Customized

Material: CRV,

Handle: Ergonomic handle design, comfortable for use

1. The material of the slip joint pliers

(1) Chromium vanadium steel, chemical symbol CRV, is relatively high-quality steel, and the price is relatively high;

(2) Carbon steel, the quality is relatively inferior, now the market is the most of this material, the price is relatively low

2. Production process

(1) Steel forging

(2) Rough shaping (thickness repair)-drilling the center hole-rough scraping (to smooth the fit)

(3) Forming milling (milling machine milling back, tooth, circle, back tooth)-fine scraping (smooth, flat, accurate size)

(4) Two pieces match-bevel (milling edge)-knife edge-pressure rivet

(5) Fitter shaping (dislocation finishing of the cutting edge)-grinding type (grinding wheel rivets, grinding the shape, grinding the neck)-starting the eye

(6) Whiteness (flatness of pliers handle, rear opening size, mouth gap)

(7) Heat treatment (above HRC42)

(8) Black finishing (flexibility and swing)-fine grinding (both sides)

(9) Cutting edge high frequency heat treatment (HRC48-50)

(10) Polishing

(11) Oiled packaging

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