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Internally Threaded Taper Pin

DIN 7977 taper pin with internal thread for extraction from blind holes.

Manufacturing Scope

Internally Threaded Taper Pin is a Pins family precision-turned on a Goodway SW-20, covering 8 variants — diameters ⌀6–20 mm, lengths 30–95 mm, standard material Steel (also steel, stainless, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request an instant quote with the code you need.

The family is machined from ⌀20 mm bar stock; its longest variant is PIMB-TPT-20 at 95 mm. Besides turning, the family requires taper turning. Bores in this family run ⌀3.3–10.2 mm. All of it is completed in a single setup, without the part leaving the machine.

The variant with the highest length-to-diameter ratio is PIMB-TPT-06: 30 mm long at ⌀6 mm, L/D 5.0. This ratio is achievable on a conventional lathe as well; the sliding-head advantage in series work is that the part never leaves the machine, so the size does not drift from variant to variant.

Variants are machined to h10 tolerance; the smallest is PIMB-TPT-06 (⌀6 mm) and the largest PIMB-TPT-20 (⌀20 mm). The family includes tapered, bored variants. Custom sizes, tolerances or materials are produced to the part code on request.

Dimension SchematicPIMB-TPT-14 — representative variant of this family
Ayyildiz RoboticsDimension Schematic⌀14 h10⌀12.6–1465⌀14Dimensions in mmCODEPIMB-TPT-14MATERIALSteelSIZE⌀14 × 65 · ⌀8.5TOLERANCEh10 · DIN 7977 · M10 internal thread

This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.

Download drawing (PNG)

Code & Size Table

Code, dimensions and tolerance for all 8 variants.

CodeDia ⌀LengthFeatureToleranceStdUnit price
PIMB-TPT-06630 mmtaper · ⌀3.3h10DIN 7977 · M4 internal thread35.58 ₺
PIMB-TPT-08836 mmtaper · ⌀4.2h10DIN 7977 · M5 internal thread39.80 ₺
PIMB-TPT-101045 mmtaper · ⌀5h10DIN 7977 · M6 internal thread46.01 ₺
PIMB-TPT-121255 mmtaper · ⌀6.8h10DIN 7977 · M8 internal thread53.18 ₺
PIMB-TPT-141465 mmtaper · ⌀8.5h10DIN 7977 · M10 internal thread60.96 ₺
PIMB-TPT-161675 mmtaper · ⌀8.5h10DIN 7977 · M10 internal thread69.89 ₺
PIMB-TPT-181885 mmtaper · ⌀10.2h10DIN 7977 · M12 internal thread79.27 ₺
PIMB-TPT-202095 mmtaper · ⌀10.2h10DIN 7977 · M12 internal thread90.25 ₺

Steel · for 100 pcs · estimated unit price, valid 7 days · excl. VAT · Contact us for a firm quote.

Material & Tolerance

The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. For custom sizes/tolerances, contact us with the part code.

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