S-PCLN boring holders feature high rigidity, fit C-shaped inserts, stable cutting and smooth chip evacuation for high-precision internal turning of various materials.

S-PWLN boring holders own high rigidity, match W-shaped inserts, ensure stable cutting & smooth chip removal, with high precision for precision internal turning.

S-SVUB boring holders feature high rigidity, fit rhombic inserts, stable cutting and good chip control, delivering high dimensional accuracy & smooth finish for precision internal turning.

By varying insert styles and calibrating cutting depth, chip size, and edge geometry with high precision, the dimensional accuracy and surface quality of cylindrical workpieces are markedly improved.

Through the application of diverse inserts and meticulous regulation of cutting depth, chip dimensions, and edge geometry, superior accuracy and surface quality are achieved during external cylindrical finishing.

Processing the outer surface of cylindrical components, by utilizing different types of inserts and precisely controlling cutting depth, chip dimensions, and edge geometry, effectively enhances machining accuracy and surface quality.

Employing a range of insert types and optimizing cutting parameters—namely depth of cut, chip morphology, and edge shape—enables superior precision and surface integrity in cylindrical external machining operations.

The machining accuracy and surface quality of cylindrical components can be substantially improved through the strategic use of interchangeable inserts combined with precise control over cutting depth, chip geometry, and tool edge configuration.

Feature firm clamping, high strength and good impact resistance, suitable for heavy-duty and interrupted cutting.

Feature reliable clamping, strong versatility and smooth cutting, suitable for general turning with stable performance.

Feature high rigidity, stable clamping and excellent anti-vibration performance, ensuring high machining accuracy and efficiency.

High-precision straight flute for smooth chip removal. Ideal for finish boring in steel, cast iron. Accurate size, fine surface finish, stable & durable cutting.

Left-hand machine reamer with left spiral flute for smooth chip removal, ideal for through-hole machining with stable size and high finish.

Morse taper shank for firm clamping & good concentricity. Straight flutes for smooth chip removal. Ideal for steel, cast iron, non-ferrous metals. High precision, fine finish, durable & stable.

General standard, wide application, wear-resistant, standard thread for mass production.

General standard, wide application, wear-resistant, standard thread for mass production.

General standard, wide application, wear-resistant, standard thread for mass production.

General DIN standard, wide application, wear-resistant, standard thread for mass production.

General DIN standard, wide application, wear-resistant, standard thread for mass production.

Smooth chip removal and easy cutting. High precision and great wear resistance. Ideal for tapping through holes of various materials with stable & efficient performance.

Suitable for UN thread through-hole processing, featuring smooth chip removal, stable cutting, standard precision and excellent durability.

Type Size Dia. (D) Overall Length (L) Shank Length(L1) Groove Length (L3) Shank dia. (d) B-U05-D0300EA 3 66 36 28 6 B-U05-D0310EA 3.1 66 36 28 6 B-U05-D0320EA 3.2 66 36 28 6 B-U05-D0330EA 3.3 66 36 28 6 B-U05-D0340EA 3.4 66 36 28 6 B-U05-D0350EA 3.5 66 36 28 6 B-U05-D0360EA 3.6 66 36 28 6 B-U05-D0370EA 3.7 66 36 28 6 B-U05-D0380EA 3.8 74 36 36 6 B-U05-D0390EA 3.9 74 36 36 6 B-U05-D0400EA 4 74 36 36 6 B-U05-D0410EA 4.1 74 36 36 6 B-U05-D0420EA 4.2 74 36 36 6 B-U05-D0430EA 4.3

Type Size Dia. (D) Overall Length (L) Shank Length(L1) Groove Length (L3) Shank dia. (d) B-U08-D0300IA 3 72 36 34 6 B-U08-D0310IA 3.1 72 36 34 6 B-U08-D0320IA 3.2 72 36 34 6 B-U08-D0330IA 3.3 72 36 34 6 B-U08-D0340IA 3.4 72 36 34 6 B-U08-D0350IA 3.5 72 36 34 6 B-U08-D0360IA 3.6 72 36 34 6 B-U08-D0370IA 3.7 72 36 34 6 B-U08-D0380IA 3.8 81 36 43 6 B-U08-D0390IA 3.9 81 36 43 6 B-U08-D0400IA 4 81 36 43 6 B-U08-D0410IA 4.1 81 36 43 6 B-U08-D0420IA 4.2 81 36 43 6 B-U08-D0430IA 4.3

Type Size Dia. (D) Overall Length (L) Shank Length(L1) Groove Length (L3) Shank dia. (d) B-U03-D0300IA 3 62 36 20 6 B-U03-D0310IA 3.1 62 36 20 6 B-U03-D0320IA 3.2 62 36 20 6 B-U03-D0330IA 3.3 62 36 20 6 B-U03-D0340IA 3.4 62 36 20 6 B-U03-D0350IA 3.5 62 36 20 6 B-U03-D0360IA 3.6 62 36 20 6 B-U03-D0370IA 3.7 62 36 20 6 B-U03-D0380IA 3.8 66 36 24 6 B-U03-D0390IA 3.9 66 36 24 6 B-U03-D0400IA 4 66 36 24 6 B-U03-D0410IA 4.1 66 36 24 6 B-U03-D0420IA 4.2 66 36 24 6 B-U03-D0430IA 4.3