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Tapcon F Type Wafer Head M6×35

Model 338500 (SUS製 732499) / タップコン Fタイプ ウェハーヘッド / Japan Power Fastening Corporation (Official website)

Large-diameter, low-profile wafer head concrete anchor that screws directly into concrete without a plug. Standard 35 mm overall length.

Last verified: (date the content was verified against the source document)

Specifications

Thread outer diameter d 6.6 mm
Length under head L 35 mm
Cylindrical section length 5 mm
Threaded section length 30 mm
Head diameter D 14.0 mm
Head height H 2.5 mm
Recess (Drive Hole) #3
Material / Surface Treatment Steel: trivalent chromate / SUS: Sus Guard SG
Quantity per pack 400×5 本

タップコン Fタイプ ウェハーヘッド model comparison

Compare 7 models in the same series by specification.

Model Thread outer diameter d Length under head L Material / Surface Treatment Head diameter D Head height H Threaded section length Cylindrical section length Recess (Drive Hole)
338500 (SUS製 732499) This product 6.6 mm 35 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 30 mm 5 mm #3
338511 (SUS製 732510) 6.6 mm 45 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 40 mm 5 mm #3
338544 (SUS製 732532) 6.6 mm 75 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 50 mm 25 mm #3
338555 (SUS製 732543) 6.6 mm 100 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 50 mm 50 mm #3
338566 (SUS製 732554) 6.6 mm 125 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 50 mm 75 mm #3
338577 (SUS製 732565) 6.6 mm 150 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 50 mm 100 mm #3
338588 (SUS製 732521) 6.6 mm 60 mm Steel: trivalent chromate / SUS: Sus Guard SG 14.0 mm 2.5 mm 50 mm 10 mm #3

How to choose Anchors

Points to check when selecting, with the values for this product (338500 (SUS製 732499)).

  1. 1. Select a matching bolt for the base material and fixture

    ALC anchors have a fixed bolt nominal diameter for each size. The listed products are grouped as M4, M5 to M6, M8, and M8 to M10. Select the type that matches the hole diameter of the bracket being fixed and the nominal diameter of the bolt you use.

  2. 2. Compare required load with the tensile strength guide

    The guide tensile strength for the listed products when used with bolts is 1.8 to 3.5 kN. Select with a margin by including the weight of the fixture as well as loads from earthquakes and vibration. The values shown are guides only, and actual strength varies with the condition of the base material and installation accuracy.

  3. 3. Determine the neck length from fixture thickness plus embedment depth

    This product: Length under head L 35 mm

    The under-head length of the listed screw-in anchors is 35 to 150 mm. Choose a length equal to the thickness of the bracket or rafter being fixed plus the required screw-in depth in the concrete. If the length is insufficient, holding force will be inadequate; if it is too long, the pilot hole becomes deeper and installation takes more effort.

  4. 4. Maintain the correct pilot hole diameter and depth

    The listed products require a pilot hole diameter of 10 to 14 mm and a pilot hole depth of 60 to 80 mm. If the hole is too large, biting force will be insufficient; if it is too small, the base material may crack or the anchor may not thread in. Use a bit of the specified diameter and drill to the specified depth.

  5. 5. Embedment depth, body diameter, and edge distance in the base material

    ALC anchors have a total length (embedment depth) of 50 to 70 mm and a body diameter of 15 to 22 mm. Larger sizes generally achieve higher strength, but they also require greater base material thickness and edge distance. Check the thickness of the ALC panel and the distance from the edge at the installation position.

  6. 6. Check the installation bit and recess

    Some types require a dedicated high-speed bit, and some have a drive recess in the head that accepts square bits. Confirm in advance that your impact driver bits fit, so that installation does not stop on site due to incompatible tools.

This guide was written by AI based on the listed products' documents and specification items.

About Anchors and all products

Description

Allows quick fastening with an impact driver. Adopts a wafer head with a wide bearing surface for good seating. Supports square drive bits for excellent driving performance. Steel type has trivalent chromate plating; SUS type has SUSGUARD SG treatment.

Features

  • Large-diameter, low-profile wafer head
  • No plug required
  • Installation possible with impact driver
  • Square drive bit compatible
  • High strength

Applications

  • Fixing metal rafters
  • Fixing hanger bolts
  • Fixing mounting brackets to concrete

FAQ

Q. Can the Tapcon F Type Wafer Head M6×35 (Model 338500) be installed with an impact driver?
A. Yes. It can be fastened quickly with an impact driver and is compatible with square drive bits.
Q. What are the applications of the Tapcon F Type Wafer Head M6×35 (Model 338500)?
A. It is used for fixing metal rafters, fixing hanger bolts, and fixing mounting brackets to concrete.
Q. What are the material and surface treatment of the Tapcon F Type Wafer Head M6×35 (Model 338500, SUS type 732499)?
A. The steel type has trivalent chromate plating, and the SUS type has SUSGUARD SG treatment.
Q. What are the dimensions of the Tapcon F Type Wafer Head M6×35 (Model 338500)?
A. Thread outer diameter d is 6.6 mm, under-head length L is 35 mm, cylindrical section length is 5 mm, thread length is 30 mm, head diameter D is 14.0 mm, head height H is 2.5 mm, and the recess (drive hole) is #3.
Q. Can the Tapcon F Type Wafer Head M6×35 (Model 338500) be installed without a plug?
A. Yes. No plug is required; it can be screwed directly into concrete for installation.

Written by AI based on the content of the source documents.

Source documents

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