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Spare nuts for machining tool holders and collet systems

Keeping machining tools running at full precision depends on every component being in proper working condition, and the clamping nut is no exception. Type D-K spare nuts secure cutting tools, collets and accessories in the tool holder, maintaining the concentricity and clamping force required for accurate machining operations.

Over time, repeated tightening cycles, exposure to coolant and contact with chips can wear the nut threads and bearing surfaces, leading to reduced clamping performance and runout issues. Replacing a worn nut restores the original clamping specification at a fraction of the cost of a new tool holder assembly.

Sizes range from 5 mm for small precision collets up to 110 mm for heavy-duty tool holders, covering the full spectrum of common machining setups from watchmaking lathes to large CNC milling centres. Having the correct replacement nut on the shelf means a worn component can be swapped immediately, avoiding the machine downtime that comes with waiting for parts. When selecting a spare nut, match both the thread size and the type designation to your existing tool holder to ensure proper fit and clamping force.

hunger_512022400

HUNGER 512022400 Spare nut type D-K 24-27'5 mm

  • Height: 13 mm
  • Pitch: 1,5 mm
  • Min. clamping capacity: 24 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512020900

HUNGER 512020900 spare nut type D-K 9-10 mm

  • Height: 8 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 9 mm
Delivery time average 12 days.
15.40
€12.73 excl. VAT
hunger_512029500

HUNGER 512029500 spare nut type D-K 95-110 mm

  • Height: 26 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 95 mm
Delivery time average 10 days.
154.95
€128.06 excl. VAT
hunger_512026500

HUNGER 512026500 spare nut type D-K 65-80 mm

  • Height: 20 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 65 mm
Delivery time average 10 days.
133.20
€110.08 excl. VAT
hunger_512028000

HUNGER 512028000 spare nut type D-K 80-95 mm

  • Height: 26 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 80 mm
Delivery time average 10 days.
133.20
€110.08 excl. VAT
hunger_512025500

HUNGER 512025500 spare nut type D-K 55-65 mm

  • Height: 17 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 55 mm
Delivery time average 10 days.
114.60
€94.71 excl. VAT
hunger_512024500

HUNGER 512024500 spare nut type D-K 45-55 mm

  • Height: 16 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 45 mm
Delivery time average 10 days.
94.80
€78.35 excl. VAT
hunger_512023700

HUNGER 512023700 spare nut type D-K 37-45 mm

  • Height: 16 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 37 mm
Delivery time average 10 days.
64.95
€53.68 excl. VAT
hunger_512023150

HUNGER 512023150 Spare nut type D-K 31'5-37 mm

  • Height: 15 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 31,5 mm
Delivery time average 10 days.
27.80
€22.98 excl. VAT
hunger_512022750

HUNGER 512022750 Spare nut type D-K 27'5-31'5 mm

  • Height: 14 mm
  • Pitch: 2 mm
  • Min. clamping capacity: 27,5 mm
Delivery time average 10 days.
21.60
€17.85 excl. VAT
hunger_512021800

HUNGER 512021800 spare nut type D-K 18-21 mm

  • Height: 11 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 18 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512021100

HUNGER 512021100 spare nut type D-K 11-12 mm

  • Height: 9 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 11 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512021550

HUNGER 512021550 spare nut type D-K 15'5-18 mm

  • Height: 10 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 15,5 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512022100

HUNGER 512022100 spare nut type D-K 21-24 mm

  • Height: 12 mm
  • Pitch: 1,5 mm
  • Min. clamping capacity: 21 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512021200

HUNGER 512021200 Spare nut type D-K 12-13'5 mm

  • Height: 9 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 12 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512021350

HUNGER 512021350 Spare nut type D-K 13'5-15'5 mm

  • Height: 10 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 13,5 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512021000

HUNGER 512021000 spare nut type D-K 10-11 mm

  • Height: 8,5 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 10 mm
Delivery time average 10 days.
18.60
€15.37 excl. VAT
hunger_512020700

HUNGER 512020700 spare nut type D-K 7'2-8 mm

  • Height: 8 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 7,2 mm
Delivery time average 10 days.
15.40
€12.73 excl. VAT
hunger_512020800

HUNGER 512020800 spare nut type D-K 8-9 mm

  • Height: 8 mm
  • Pitch: 1 mm
  • Min. clamping capacity: 8 mm
Delivery time average 10 days.
15.40
€12.73 excl. VAT
hunger_512020640

HUNGER 512020640 Spare nut type D-K 6'4-7'2 mm

  • Height: 8 mm
  • Pitch: 0,75 mm
  • Min. clamping capacity: 6,4 mm
Delivery time average 10 days.
15.40
€12.73 excl. VAT
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