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Mold & Die Component Manufacturing — Ejector Pins, Guide Pillars and Locating Parts

Ejector pins, guide pillars, guide bushes and centering pins. ⌀1–20 mm in steel, stainless, brass; h6-H7 fits, ±0.01 mm. 134 types plus custom parts — request a quote.

Manufacturing Scope

Mold and die components are the precision-turned moving and locating internals of plastic injection, sheet-metal and die-casting tooling. This category spans 15 families and 134 types: straight, nitrided and shoulder ejector pins, sleeve ejectors, return and angled ejector pins, threaded-head and hex-drive ejectors, guide pillars and threaded guide pillars, guide bushes, centering pins, rest bushes, clamping pins and centering sleeves. We machine tool and cold-work steel, stainless steel, brass and aluminium; ejector pins can be nitrided for surface hardness and wear resistance. Running surfaces target an h6 fit, bearing bores an H7 fit, with typical dimensional tolerances of ±0.01 mm. All parts are produced on a Goodway SW-20 Swiss-type lathe across a ⌀1–20 mm diameter range, suited to both tight-tolerance batch runs and single pieces. Alongside the 134 catalog types, we manufacture custom sizes from your technical drawing or sample. Process: send a drawing or part, receive our quotation (pricing is quote-based).

The defining part here is KALA-NEP-02 at L/D 12.3 — the slenderness a sliding-head lathe is built for. Lengths across the 134 variants run 15–150 mm, the longest being KALA-SEP-09 at 150 mm, still inside the 207 mm single-setup limit. Operations: 36× thread turning, 17× hex flat milling, 36× axial bore, 25× taper turning, 10× knurling.

113 of the 134 variants reference a DIN or ISO standard; the tolerance classes in use are 6H, 6g, H7, g6, h6, h7, m6.

Every part is CNC-turned to your drawing — series, small batches and custom turned parts. Send your drawing (PDF/DWG/STEP) for a quote.

Part Families

Straight Ejector PinCylindrical ejector pin with stepped head that pushes the part out of the mold.10 types⌀4–18 mmOpen the code & size table →Nitrided Ejector PinWear-resistant nitrided-surface slim ejector pin with cone tip.9 types⌀3–15 mmOpen the code & size table →Shoulder Ejector PinEjector pin with intermediate shoulder collar that distributes load.9 types⌀6–19 mmOpen the code & size table →Sleeve EjectorBored ejector sleeve with stepped head for pushing tubular bosses.9 types⌀6–19 mmOpen the code & size table →Return PinFlat-tipped robust return pin that resets the ejector plate.8 types⌀8–20 mmOpen the code & size table →Angular PinTapered-body angular pin with chamfered ends that drives the slide sideways.8 types⌀6–18 mmOpen the code & size table →Threaded-Head EjectorScrew-mounted ejector pin with knurled grip that threads into the ejector plate.9 types⌀5–18 mmOpen the code & size table →Hex-Drive Ejector PinAdjustable ejector pin with hex wrench-flats and threaded seat.8 types⌀8.1–19.6 mmOpen the code & size table →Guide PillarHardened stepped guide pillar aligning die halves.9 types⌀6–20 mmOpen the code & size table →Threaded Guide PillarStepped guide pillar with a threaded end screwed into the plate.10 types⌀4–20 mmOpen the code & size table →Guide BushBored guide bush sliding over the pillar.10 types⌀8–20 mmOpen the code & size table →Centering PinCentering pin with conical tip locating two plates precisely.9 types⌀3–16 mmOpen the code & size table →Stop BushFlanged bored stop bush limiting the stroke.9 types⌀10–20 mmOpen the code & size table →Clamping PinClamping pin with hex head and threaded shank for the die.9 types⌀8.1–19.6 mmOpen the code & size table →Centering SleeveBored centering sleeve with a conical mouth for plate location.8 types⌀8–20 mmOpen the code & size table →

We turn ejector pins from bar stock in a single operation on the Goodway SW-20 Swiss lathe. The running body diameter is finished to a typical h6 fit and ±0.01 mm dimensional tolerance, with head and shoulder steps machined to your drawing. Nitriding can be applied for added wear resistance.

Related Categories

Pins Bushings Shafts Fasteners Nuts & Adapters Spacers & Standoffs Fittings Nozzles Valve Parts Connector Pins Fixing & Locating Membrane Press Spares Custom Turned Parts Medical & Dental Parts Couplings & Shaft Adapters Bearing & Seal Adapters Electrodes & EDM Tips Opto-Mechanical Parts Textile Machine Parts Automotive Precision Parts Hydraulic & Pneumatic Pistons Joint & Pivot Elements Micro & Watch Parts
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