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LH左牙管螺纹板牙/左旋管螺纹板牙/反牙管螺纹板牙/反旋管螺纹板牙/反扣管螺纹板牙/倒牙管螺纹板牙
LH左牙管螺纹牙板/左旋管螺纹牙板/反牙管螺纹牙板/反旋管螺纹牙板/反扣管螺纹牙板/倒牙管螺纹牙板
55°英制非密封左牙圆柱管螺纹板牙/左牙管螺纹牙板代号为G常备库存的规格有：
G1/16-28 G1/8-28 G1/4-19 G3/8-19 G1/2-14 G5/8-14 G3/4-14 G7/8-14 G1寸-11 G1.1/8-11 G1.1/4-11 G1.3/8-11 G1.1/2-11 G1.3/4-11 G2寸-11 G2.1/4-11 G2.1/2-11 G2.3/4-11 G3寸-11 G3.1/2-11 G4寸-11
55°英制非密封左牙圆柱管螺纹板牙/左牙管螺纹牙板代号为BSP常备库存的规格有:
BSP1/16-28 BSP1/8-28 BSP1/4-19 BSP3/8-19 BSP1/2-14 BSP5/8-14 BSP3/4-14 BSP7/8-14 BSP1寸-11 BSP1.1/8-11 BSP1.1/4-11 BSP1.3/8-11 BSP1.1/2-11 BSP1.3/4-11 BSP2寸-11 BSP2.1/4-11 BSP2.1/2-11 BSP2.3/4-11 BSP3寸-11 BSP3.1/2-11 BSP4寸-11
55°英制密封左牙圆锥管螺纹板牙/左牙管螺纹牙板代号为ZG常备库存的规格有：
ZG1/16-28 ZG1/8-28 ZG1/4-19 ZG3/8-19 ZG1/2-14 ZG3/4-14 ZG1-11 ZG1.1/4-11 ZG1.1/2-11 ZG2-11 ZG2.1/2-11 ZG3-11 ZG3.1/2-11 ZG4-11
55°英制密封左牙圆锥管螺纹板牙/左牙管螺纹牙板代号为RC常备库存的规格有：
RC1/16-28 RC1/8-28 RC1/4-19 RC3/8-19 RC1/2-14 RC3/4-14 RC1-11 RC1.1/4-11 RC1.1/2-11 RC2寸-11 RC2.1/2-11 RC3寸-11 RC3.1/2-11 RC4寸-11
60°美制左牙圆锥管螺纹板牙/左牙管螺纹牙板代号为Z常备库存的规格：
Z1/16-27 Z1/8-27 Z1/4-18 Z3/8-18 Z1/2-14 Z3/4-14 Z1-11.5 Z1.1/4-11.5 Z1.1/2-11.5 Z2-11.5 Z2.1/2-8 Z3-8 Z3.1/2-8 Z4-8
60°美制一般用途左牙圆锥管（密封）螺纹板牙/左牙管螺纹牙板代号为NPT常备库存的规格有：
NPT1/16-27 NPT1/8-27 NPT1/4-18 NPT3/8-18 NPT1/2-14 NPT3/4-14 NPT1-11.5 NPT1.1/4-11.5 NPT1.1/2-11.5 NPT2-11.5 NPT2.1/2-8 NPT3-8 NPT3.1/2-8 NPT4-8
并有配套检验用的左牙管螺纹塞规/左牙规和左牙管螺纹环规/左牙通止规及左牙管螺纹丝攻/丝锥供应！