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Hex Head Cap Screw Assortment (1/4 - 3/8)

L9 Fine Thread (SAE) Zinc Yellow Trivalent Plated

Package Quantity: 1

Package Weight: 18.6 lbs

Item: 403993

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  • THE L9 FASTENING SYSTEM - Designed for high stress, severe service environments.
  • THE HIGHEST MECHANICAL STRENGTH - The strongest off-the-shelf fastening system available.
  • HIGHER CLAMP LOADS & SUPERIOR HOLDING - L9's special features control torque-tension characteristics to develop maximum, consistent holding power.
  • HIGH GRADE AISI 8640H ALLOY STEEL - Superior strength and consistency. Mechanically tested to meet ASTM F606 standards. RoHS compliant zinc yellow trivalent plated.
  • 180,000 TO 200,000 P.S.I. TENSILE STRENGTH - Substantially stronger than SAE Grade 8 fasteners while possessing the minimum ductility of Grade 8 to eliminate embrittlement concerns.
  • MADE IN THE U.S.A.
# of Pieces: 375
Brand: Kimball Midwest
Finish: Zinc, Yellow Trivalent
Grade: L9
Head Style: Hex Head
Material: Alloy Steel
Private Label: Yes
Tensile Strength (PSI): 180,000 P.S.I. min.
Thread Type: Fine (SAE)
  1. HIGH HEAD DESIGN – Higher heads than standard fasteners to give additional wrenching surface.
  2. SMOOTH WASHER FACE – Eliminates corner drag.
  3. UNDERHEAD RADIUS – Adds strength and reduces external stressing.
  4. UNR RADIUSED ROOT BOLT THREAD – Increases fatigue resistance by reducing the notch effect of conventional UN threads.


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • THE L9 FASTENING SYSTEM - Designed for high stress, severe service environments.
  • THE HIGHEST MECHANICAL STRENGTH - The strongest off-the-shelf fastening system available.
  • HIGHER CLAMP LOADS & SUPERIOR HOLDING - L9's special features control torque-tension characteristics to develop maximum, consistent holding power.
  • HIGH GRADE AISI 8640H ALLOY STEEL - Superior strength and consistency. Mechanically tested to meet ASTM F606 standards. RoHS compliant zinc yellow trivalent plated.
  • 180,000 TO 200,000 P.S.I. TENSILE STRENGTH - Substantially stronger than SAE Grade 8 fasteners while possessing the minimum ductility of Grade 8 to eliminate embrittlement concerns.
  • MADE IN THE U.S.A.
# of Pieces: 375
Brand: Kimball Midwest
Diameter: N/A
Finish: Zinc, Yellow Trivalent
Grade: L9
Head Style: Hex Head
Length: N/A
Material: Alloy Steel
Private Label: Yes
Tensile Strength (PSI): 180,000 P.S.I. min.
Thread Pitch: N/A
Thread Type: Fine (SAE)
  1. HIGH HEAD DESIGN – Higher heads than standard fasteners to give additional wrenching surface.
  2. SMOOTH WASHER FACE – Eliminates corner drag.
  3. UNDERHEAD RADIUS – Adds strength and reduces external stressing.
  4. UNR RADIUSED ROOT BOLT THREAD – Increases fatigue resistance by reducing the notch effect of conventional UN threads.


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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