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China Suppliers Factory Accessories for Turning Tool Holder: Shim, Clamp, Screws & C Ring
Shim For Turning Tool Holder
| Specification | Figure | d | h | L |
|---|---|---|---|---|
| MD1103 | A | 6 | 3 | 11 |
| MD1504 | A | 6 | 4 | 15 |
| MD1506 | A | 8 | 6 | 15 |
| MC1203 | A | 8 | 3 | 12 |
| MC1204 | A | 8 | 4 | 12 |
| MC1604 | A | 8 | 4 | 16 |
| MC1904 | A | 8 | 4 | 19 |
| MV1603 | A | 8 | 3 | 16 |
| MC1604-X | A | 11 | 4.65 | 15.13 |
Figure B
| Specification | Figure | d | h | L |
|---|---|---|---|---|
| MS1204 | B | 6 | 4 | 12 |
| MS1504 | B | 10 | 4 | 15 |
| MS1904 | B | 11 | 4 | 19 |
Figure C
| Specification | Figure | d | h | L |
|---|---|---|---|---|
| MT1603 | C | 6 | 3 | 16 |
| MT2204 | C | 8 | 4 | 22 |
| MT16-S | C | 5.2 | 3.2 | 13.5 |
Figure D
| Specification | Figure | d | h | L |
|---|---|---|---|---|
| MW0603 | D | 6 | 3 | 6 |
| MW0804 | D | 6 | 4 | 8 |
Figure E
| Specification | Figure | d | h | L |
|---|---|---|---|---|
| STM16 | E | 4.05 | 3.18 | 16.45 |
| STM22 | E | 5.2 | 3.97 | 21.65 |
| STM27 | E | 5.7 | 5.5 | 27 |
Clamp For Turning Tool Holder
| Specification | D | d1 | L | H |
|---|---|---|---|---|
| HL1812 | 9.2 | 5.15 | 18.2 | 12.2 |
| HL1814 | 9.3 | 5.05 | 18.1 | 14 |
| HL1917 | 10.55 | 6.75 | 19 | 17.4 |
| HL2114 | 9.3 | 5.05 | 21.5 | 14.2 |
| HL2217 | 11 | 6.8 | 22.5 | 17 |
| HL2414 | 9.3 | 5.05 | 24.7 | 14.1 |
| MY0619 | 8.6 | 6 | 18.15 | 11.4 |
| MY0621 | 9.5 | 6 | 21.5 | 13.2 |
| MY0823 | 11 | 8 | 22.5 | 15.8 |
WT / YW Series
| Specification | D | d1 | L | H |
|---|---|---|---|---|
| WT16 | 18.4 | 5.5 | 15 | 8.2 |
| YW08 | 18.1 | 5.5 | 16.8 | 8.8 |
Clamping Screw For Turning Tool Holder
ML Series
WTCW Series
| Specification | D | L1 | L2 | L | F |
|---|---|---|---|---|---|
| ML0622 | M6*1.0 | 8.7 | 8.7 | 22 | 3 |
| ML0625 | M6*1.0 | 8.7 | 8.7 | 25 | 3 |
| ML0816 | M8*1.25 | 6.5 | 6.5 | 16 | 4 |
| ML0828 | M8*1.0 | 12 | 10 | 24.7 | 4 |
| ML0830 | M8*1.0 | 11.8 | 11.8 | 30 | 4 |
| Specification | D | L1 | L2 | L | F |
|---|---|---|---|---|---|
| WTCW | 9.6 | 15 | M5*0.8 | 26 | 4 |
Center Screw For Turning Tool Holder
| Specification | d3 | d1 | d2 | D | L | F |
|---|---|---|---|---|---|---|
| CTM510 | 4 | 3.65 | M5*0.8 | 5.6 | 10.5 | 2 |
| CTM513 | 6.2 | 3.65 | M5*0.8 | 5.45 | 13.5 | 2 |
| CTM613 | 7.07 | 5 | M6*1.0 | 7.1 | 13 | 2.5 |
| CTM617 | 7.82 | 5 | M6*1.0 | 7.1 | 17.2 | 2.5 |
| CTM619 | 7.78 | 5 | M6*1.0 | 7.1 | 18.1 | 2.5 |
| CTM822 | 10.25 | 6.13 | M8*1.0 | 9.4 | 22.1 | 3 |
| CTM1022 | 11.9 | 7.7 | M10*1.0 | 11 | 22.1 | 4 |
| MX0513 | 5.46 | 3.65 | M5*0.8 | 6.2 | 12.88 | 2 |
| MX0617 | 7.17 | 5 | M6*1.0 | 7.76 | 17.2 | 2.5 |
| MX0619 | 7.1 | 5 | M6*1.0 | 7.8 | 18.4 | 2.5 |
| MX0822 | 9.45 | 6.17 | M8*1.0 | 10.2 | 21.8 | 3 |
CTM-S Series
| Specification | d3 | d1 | d2 | D | L | F |
|---|---|---|---|---|---|---|
| CTM5-S | 5 | 3.67 | M5*0.8 | 5.95 | 16 | 2.5 |
| CTM6-S | 6 | 5 | M6*1.0 | 7.8 | 17.2 | 3 |
C Ring For W-type Turning Tool Holders
| Specification | D | d1 | L | H |
|---|---|---|---|---|
| KH540 | 8.8 | 6.5 | 8.8 | 0.75 |
Insert Screw
| Specification | D | L | L1 | d1 | a |
|---|---|---|---|---|---|
| M2*4 | 2.7 | 4 | 1.2 | M2*0.4 | 60° |
| M2*5 | 2.7 | 5 | 1.2 | M2*0.4 | 60° |
| M2.2*5 | 3.2 | 5 | 1.7 | M2.2*0.45 | 50° |
| M2.2*6 | 3.4 | 6 | 1.7 | M2.2*0.45 | 60° |
| M2.2*7 | 3.4 | 7 | 1.7 | M2.2*0.45 | 60° |
| M2.5*5 | 3.7 | 5 | 2 | M2.5*0.45 | 55° |
| M2.5*6 | 3.7 | 6 | 2 | M2.5*0.45 | 55° |
| M2.5*7 | 3.7 | 7 | 2 | M2.5*0.45 | 55° |
| M2.5*8 | 3.7 | 8 | 2 | M2.5*0.45 | 55° |
| M2.5*9 | 3.7 | 9 | 2 | M2.5*0.45 | 55° |
| M3*6 | 4 | 6 | 2 | M3*0.5 | 50° |
| M3*7 | 4 | 7 | 2 | M3*0.5 | 50° |
| M3*8 | 4 | 8 | 2 | M3*0.5 | 50° |
| M3.5*7 | 5.5 | 7 | 3 | M3.5*0.6 | 60° |
| M3.5*8 | 5.5 | 8 | 3 | M3.5*0.6 | 60° |
| M3.5*9 | 5.5 | 9 | 3 | M3.5*0.6 | 60° |
| M3.5*12 | 5.5 | 12 | 3 | M3.5*0.6 | 60° |
| M4*9 | 7 | 9 | 2.5 | M4*0.7 | 60° |
| M4*14 | 7 | 14.2 | 3 | M4*0.7 | 60° |
| M4*16 | 7 | 16 | 4.5 | M4*0.7 | 55° |
| M5*10 | 6.3 | 10 | 2.8 | M5*0.8 | 55° |
| M5*12 | 6.3 | 12 | 2.8 | M5*0.8 | 55° |
| M5*16 | 6.3 | 16 | 2.8 | M5*0.8 | 55° |
| M5*20 | 6.3 | 20 | 2.8 | M5*0.8 | 60° |
Side Screw For Threading Holders
| Specification | D | L | T | d1 |
|---|---|---|---|---|
| M3*6N | 5.5 | 6 | 2.6 | M3*0.5 |
Clamping Screw For Grooving Holders
| Specification | D | L | T | d1 |
|---|---|---|---|---|
| M4*6N | 7.1 | 6 | 3 | M4*0.7 |
| M4*10N | 7.1 | 10 | 3 | M4*0.7 |
| M4*12N | 7.1 | 12 | 3 | M4*0.7 |
| M5*12N | 8.6 | 12 | 4 | M5*0.8 |
| M6*20N | 10 | 20 | 5 | M6*1 |
| M4*14Q | 7 | 10 | 3 | M4*0.7 |
| M5*17Q | 8.4 | 12 | 4 | M5*0.8 |
| M6*20Q | 10 | 14 | 5.2 | M6*1 |
| M6*22Q | 10 | 16 | 5.2 | M6*1 |
Frequently Asked Questions
Q
What is the function of a shim in a turning tool holder?
A shim is a precision-machined component placed beneath the cutting insert in a turning tool holder. It provides a stable seating surface for the insert, helps adjust the cutting height, protects the pocket from wear, and ensures consistent tool geometry during machining operations.
Q
How do I select the correct clamp specification for my turning tool holder?
To select the correct clamp, you need to match the clamp dimensions (D, d1, L, H) to your tool holder pocket size and the insert type being used. Refer to the specification table and compare the dimensions with your holder's requirements. Common series such as HL, MY, WT, and YW are designed for specific insert shapes and holder styles.
Q
What is the difference between a clamping screw and a center screw for turning tool holders?
A clamping screw (ML/WTCW series) is used to secure the clamp or top clamp onto the insert, applying downward clamping force. A center screw (CTM/MX series) passes through the center hole of the insert and threads into the tool holder pocket, providing a through-hole clamping method. The choice depends on the insert type and the clamping system of the tool holder.
Q
What materials are these turning tool holder accessories typically made from?
Shims are typically made from hardened tool steel or carbide to resist wear and deformation under cutting forces. Clamps are usually made from alloy steel with heat treatment for strength. Screws (clamping, center, and insert screws) are manufactured from high-strength alloy steel with surface treatments to prevent corrosion and ensure reliable torque performance.
Q
Can insert screws be used interchangeably across different tool holder brands?
Insert screws are standardized by thread size and dimensions (D, L, L1, d1, and angle "a"), so in many cases they can be used across compatible tool holders from different brands as long as the thread specification and dimensional parameters match. Always verify the thread pitch, outer diameter, and cone angle before substituting screws from different manufacturers.
Q
What is the C Ring (KH540) used for in W-type turning tool holders?
The C Ring (KH540) is a retaining ring used in W-type (pin-lock) turning tool holders. It locks the center pin or clamping screw in place, preventing it from falling out when the insert is removed. This design allows for quick and easy insert changes while keeping the clamping components securely retained within the tool holder body.