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    產品展示

    產品詳情


    About Us: All Holo-Krome products are Made in the USA and used

    in a wide variety of market applications which demand high quality,

    high strength precision components. Since its formation in 1929,

    Holo-Krome has been at the forefront of fastener development and

    innovation. In 1930, Holo-Krome invented and later patented the first

    practical cold heading process for mass producing high tensile strength

    alloy steel socket screws. As you browse through our catalog, you will

    see Holo-Krome manufactures and stocks a full line of standard, high

    quality socket screw products. In addition to the standard product

    line, Holo-Krome manufactures semi-standards, special fasteners and

    cold headed parts.

    Product Number Code: All standard products have an assigned

    Product Number Code shown on the boxes for ease in ordering and

    inventory control. All products are sold in full packages only.

    Special Products: Products not in the catalog can be quoted on

    request. Blueprints and specifications should accompany your request.

    Shipments: Holo-Krome will attempt to ship in accordance with your

    instructions and by carrier of your choice. However, final selection for

    method of shipment and carrier will be at our sole discretion.

    Certifications: On request, using a lot number stamped on the outside

    of the Box, and or the Holo-Code? on the head of the capscrew, Holo-

    Krome can certify the chemical analysis, the raw material supplier and

    the mechanical/dimensional properties of the product.

    Product Plating & Modification: Holo-Krome shall not be responsible

    for products plated or modified in any manner not under its control.

    Prices: Prices are subject to change without notice.

    Bulk Prices: Quantity pricing for bulk (non-package) available on

    request. For the name of the authorized Holo-Krome distributor

    nearest you.

    Limited Warranty:

    Holo-Krome warrants, for a period of one (1) year

    after delivery, that all Products delivered to Purchaser hereunder shall

    be free from any defects in material or workmanship and in conformity

    with any applicable specifications. Such warranty only extends to

    Purchaser. Purchaser shall inspect Products within a reasonable time

    after receipt, and shall promptly notify Holo-Krome of any claimed

    defect or nonconformity. Any Products determined to be defective

    in material or workmanship must be returned, with an invoice and/or

    control number to an authorized location, shipping costs to be prepaid

    by Purchaser, within the one-year warranty period. THE FOREGOING

    WARRANTIES ARE IN PLACE OF ALL OTHER WARRANTIES, EXPRESS

    OR IMPLIED AND HOLO-KROME EXPRESSLY DISCLAIMS ANY OTHER

    WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND

    FITNESS FOR A PARTICULAR PURPOSE.

    Disclaimer and Limitation of Liability: HOLO-KROME DISCLAIMS ANY

    LIABILITY FOR PRODUCT DEFECT CLAIMS THAT ARE DUE TO THE MISUSE,

    IMPROPER SELECTION OR MISAPPLICATION OF THE PRODUCT. IN NO EVENT

    WILL EITHER PARTY BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL,

    CONSEQUENTIAL OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING

    OUT OF THIS AGREEMENT, INCLUDING, BUT NOT LIMITED TO, DAMAGES FOR

    INJURIES TO PERSONS OR TO PROPERTY OR LOSS OF PROFITS OR LOSS OF

    FUTURE BUSINESS OR REPUTATION, WHETHER BASED ON TORT OR BREACH OF

    CONTRACT OR OTHER BASIS, EVEN IF IT HAS BEEN ADVISED OF THE POSSIBILITY

    OF SUCH DAMAGES. IN NO EVENT WILL HOLO KROME’S LIABILIT

    Allowance - An intentional difference in the dimensions of mating parts. It is the minimum clearance of the maximum

    interference which is intended between mating parts. It represents the condition of the tightest permissible fit, or the largest

    internal member mated with the smallest external member.

    Examples:

    A 1/2-13 American National Coarse Thread.

    Minimum pitch diameter of nut (2B). . . . . . . . . . . . . . . . . . 0.4500

    Maximum pitch diameter of screw (2A) . . . . . . . . . . . . . . . .4485

    Allowance (positive). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0015

    Basic Size - The theoretical or nominal standard size from which all variations are made.

    Crest Clearance - Defined on a screw form as the

    space between the crest of a thread and the root of its mating part.

    Finish - The character of the surface on a screw thread or other product.

    Fit - The relation between two mating parts with

    reference to the conditions of a assembly. For example: Wrench fit; close fit; medium fit; free fit; loose fit. The quality of fit is

    dependent upon both the relative size and the quality of finish of the mating parts.

    Neutral Zone - A positive allowance (See “Allowance.”)

    Limits - The extreme permissible dimensions of a part.

    Example :

    1/2-13, Class 3A, American National Coarse Thread Series.

    The limits are:

    Maximum pitch diameter (3A) . . . . . . . . . . . . . . . . . . . . . . . 0.4500

    Minimum pitch diameter (3A) . . . . . . . . . . . . . . . . . . . . . . . 0.4463

    Manufacturing parts with unusual contour, strength and cost requirements

    often becomes uneconomical as material, labor and energy costs escalate.

    For many companies, HOLO-KROME? has become the economic design

    and manufacturing alternative. The key is metal forming versus metal

    removal. We have over 80 years of applied technology experience

    in forming metal solutions. For us, tough parts take shape just a

    little easier.

    Made in the USA products are used in a wide variety of market applications

    that demand high-quality, high-strength precision components. In addition

    to the standard product line of cap screws, socket shoulder bolts, dowel pins,

    socket jam screws, and socket pipe plugs, HOLO-KROME also manufactures

    semi-standards, specialty parts and cold-headed parts.

    With emphasis on lower cost and higher productivity, more companies are

    looking to HOLO-KROME to solve assembly and "tough-to-manufacture"

    part problems. If there is a length, material, coating or other criteria you

    don't find on our website or in our catalog, we will supply a quotation.

    Do you require screw machine parts that have:

    ? Two or more outside diameters?

    ? A recess or bore up to 2x diameter in depth?

    ? A requirement for special material?

    Warm or cold heading may be a practical alternative. Shaping metal by

    controlled warm or cold forming yields inherently stronger parts. Material

    structure is controlled in ciritical stress reas, eliminating the possibility of

    tears that are so common with machined parts.

    HOLO-KROME can shape various types of material - aluminum and

    brasses, austenitic and martensitic stainless, 4000 series alloy steels, all

    the way through H-11 and other tool steels - into difficult dimensions

    while retaining the metallurgically important property of grain flow.

    Tough-to-manufacture parts can be produced at less cost than traditional

    methods. With little or no metal removal, savings in material normally

    justifies HOLO-KROME's heading process. Our vertically integrated

    manufacturing process encompasses many innovative secondary and

    finishing operations such as high-speed/proprietary machining, full

    capability contour grinding, and precision roll threading up to 2" diameter.

    Our finishing operations include a controlled-heat treating department.

    Most high-strength alloy parts are automatically conveyed through

    furnaces to ensure that specified metallurgical properties are achieved.


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