• COMET WCH617 Screw
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COMET WCH617 Screw

COMET WCH617 Screw

COMET WCH617 Screw is a precision clamping component designed to securely fasten carbide inserts within turning and milling toolholders, sourced direct from Korea.

Key features

  • These screws are a critical consumable in CNC machining operations, where reliable insert retention directly affects cutting performance, repeatability, and tool life
389-0936 MPN: WCH617 | DHA 0617(WCH617) | a: 7 | b: 7.5 | c: 17 | M: M6x1.0 | Wrench: H3 | Related product No.: DHA 0617 | A(˚): -
389-0945 MPN: WCH620K | DHA 0620(WCH620K) | a: 8 | b: 8 | c: 20 | M: M6x1.0 | Wrench: H3 | Related Product No.: DHA 0620 | A(˚): -
389-0963 MPN: WCH627 | DHA 0627(WCH627) | a: 15 | b: 8.5 | c: 27 | M: M6x1.0 | Wrench: H3 | Related product No.: DHA 0627 | A(˚): -
389-1014 MPN: WCH8155 | DHA 0815(WCH8155) | a: 6.25 | b: 6.25 | c: 15.5 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0815 | A(˚): -
389-1023 MPN: WCH8188F | DHA 0818F(WCH8188F) | a: 8.5 | b: 6.3 | c: 18.3 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0818F | A(˚): -
389-1032 MPN: WCH820 | DHA 0820(WCH820) | a: 8 | b: 9 | c: 20 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0820 | A(˚): -
389-1041 MPN: WCH821F | DHA 0821F(WCH821F) | a: 8.5 | b: 8.5 | c: 21 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0821F | A(˚): -
389-1050 MPN: WCH824F | DHA 0824F(WCH824F) | a: 9.5 | b: 10.5 | c: 24 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA0824F | A(˚): -
389-1078 MPN: WCH830 | DHA 0830(WCH830) | a: 11.5 | b: 11.5 | c: 30 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0830 | A(˚): -
389-1087 MPN: WCH832F | DHA 0832F(WCH832F) | a: 13 | b: 13 | c: 32 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0832F | A(˚): -
389-1980 MPN: WCH630 | DM 6*30(WCH630) | a: 12 | b: 12 | c: 30 | M: M6x1.0 | Wrench: H3 | Related product No.: DM 6x30 | A(˚): -
389-2004 MPN: WCH1035F | DM 10*35X(WCH1035F) | a: 15 | b: 15 | c: 35 | M: M10x1.25 | Wrench: H5 | Related product No.: DM 10x35X | A(˚): -
389-2013 MPN: WCH514 | DHA 0514(WCH514) | a: 5 | b: 7 | c: 14 | M: M5x0.8 | Wrench: H2.5 | Related Product No.: DHA 0514 | A(˚): -
389-3146 MPN: WCH511M | DHA 0511(WCH511M) | a: 4.5 | b: 4.5 | c: 11 | M: M5x0.8 | Wrench: H2.5 | Related product No.: DHA 0511 | A(˚): -
389-3155 MPN: WCH8172F | DHA 0817F(WCH8172F) | a: 8 | A: - | b: 6.2 | c: 17.2 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0817F
Carbide Inserts & HoldersCOMET
15 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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COMET WCH617 Screw

Brand COMET·Carbide Inserts & Holders

Available part numbers (15)

389-0936, 389-0945, 389-0963, 389-1014, 389-1023, 389-1032, 389-1041, 389-1050, 389-1078, 389-1087 + 5 more — see full table ↓

How to order

Send the COMET part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
389-0936MPN: WCH617 | DHA 0617(WCH617) | a: 7 | b: 7.5 | c: 17 | M: M6x1.0 | Wrench: H3 | Related product No.: DHA 0617 | A(˚): -
389-0945MPN: WCH620K | DHA 0620(WCH620K) | a: 8 | b: 8 | c: 20 | M: M6x1.0 | Wrench: H3 | Related Product No.: DHA 0620 | A(˚): -
389-0963MPN: WCH627 | DHA 0627(WCH627) | a: 15 | b: 8.5 | c: 27 | M: M6x1.0 | Wrench: H3 | Related product No.: DHA 0627 | A(˚): -
389-1014MPN: WCH8155 | DHA 0815(WCH8155) | a: 6.25 | b: 6.25 | c: 15.5 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0815 | A(˚): -
389-1023MPN: WCH8188F | DHA 0818F(WCH8188F) | a: 8.5 | b: 6.3 | c: 18.3 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0818F | A(˚): -
389-1032MPN: WCH820 | DHA 0820(WCH820) | a: 8 | b: 9 | c: 20 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0820 | A(˚): -
389-1041MPN: WCH821F | DHA 0821F(WCH821F) | a: 8.5 | b: 8.5 | c: 21 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0821F | A(˚): -
389-1050MPN: WCH824F | DHA 0824F(WCH824F) | a: 9.5 | b: 10.5 | c: 24 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA0824F | A(˚): -
389-1078MPN: WCH830 | DHA 0830(WCH830) | a: 11.5 | b: 11.5 | c: 30 | M: M8x1.25 | Wrench: H4 | Related product No.: DHA 0830 | A(˚): -
389-1087MPN: WCH832F | DHA 0832F(WCH832F) | a: 13 | b: 13 | c: 32 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0832F | A(˚): -
389-1980MPN: WCH630 | DM 6*30(WCH630) | a: 12 | b: 12 | c: 30 | M: M6x1.0 | Wrench: H3 | Related product No.: DM 6x30 | A(˚): -
389-2004MPN: WCH1035F | DM 10*35X(WCH1035F) | a: 15 | b: 15 | c: 35 | M: M10x1.25 | Wrench: H5 | Related product No.: DM 10x35X | A(˚): -
389-2013MPN: WCH514 | DHA 0514(WCH514) | a: 5 | b: 7 | c: 14 | M: M5x0.8 | Wrench: H2.5 | Related Product No.: DHA 0514 | A(˚): -
389-3146MPN: WCH511M | DHA 0511(WCH511M) | a: 4.5 | b: 4.5 | c: 11 | M: M5x0.8 | Wrench: H2.5 | Related product No.: DHA 0511 | A(˚): -
389-3155MPN: WCH8172F | DHA 0817F(WCH8172F) | a: 8 | A: - | b: 6.2 | c: 17.2 | M: M8x1.0 | Wrench: H4 | Related product No.: DHA 0817F

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