قائمة أنواع المفكات

مفكات القلاووظ، هي أداوات تستخدم لثبيت أو حل المسامير القلاووظ.[1]

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الأنواع الشائعة

أنواع خارجية

Square

Screw Head - Square External.png


Hex

Screw Head - Hex External.png


Pentagon

Regular pentagon.png

A pentagon screw drive uses five-sided fastener heads. The fastener is known as a penta screw. They require a special five-point socket in order to be turned. Water meter covers, natural gas valves, and electrical cabinets are commonly secured with penta fasteners. It is also common in the U.S. for fire hydrants to have valves with a pentagon drive.

Thumbscrew

Thumbscrews pc.jpg

A thumbscrew is a type of screw drive with either a tall head and ridged or knurled sides, or a flat, vertical head. They are intended to be tightened and loosened by hand. They are often cut for Phillips head or slotted screwdrivers as well.

Slotted types

Slot head

Screw Head - Slotted.png
Slot drive tool and fastener sizes[2]
Blade width Fastener size
332 in (2.4 mm) 0–1
18 in (3.2 mm) 2
532 in (4.0 mm) 3
316 in (4.8 mm) 4–5
14 in (6.4 mm) 6–7
516 in (7.9 mm) 8–10
38 in (9.5 mm) 12–14
716 in (11 mm) 16–18
12 in (13 mm) 18–24


Cross

Screw head - cross.png

Cruciform types

فيليپس

Screw Head - Phillips.png
Phillips drive tool and fastener sizes[2]
Tool size Fastener size
0 0–1
1 2–4
2 5–9
3 10–16
4 18–24

Frearson

Screw Head - Frearson.png
Frearson vs Phillips.png


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French recess

French recess driver bit

JIS B 1012

Mortorq

Screw Head - Mortorq.png


Pozidriv

Screw Head - Pozidrive.svg
Screws with the Pozidriv head.

Supadriv

Screw Head - Supadrive.png


Robertson

Screw Head - Robertson.png
Close-up of a Robertson screw
Recess dimensions[3][4]
Colour Screw types Fraction Range
Orange (#00) No. 1 & 2 1/16 in.+ 1.77–1.80 mm (0.070–0.071 in)
Yellow (#0) No. 3 & 4 3/32 in.- 2.29–2.31 mm (0.090–0.091 in)
Green (#1) No. 5, 6 & 7 7/64 in.+ 2.82–2.86 mm (0.111–0.113 in)
Red (#2) No. 8, 9 & 10 1/8 in.+ 3.34–3.38 mm (0.131–0.133 in)
Black (#3) No. 12 and larger 3/16 in.+ 4.81–4.85 mm (0.189–0.191 in)

Hex socket

Screw Head - Hex Socket.png
Hex socket screws


Hexalobular socket

Screw Head - Torx.png

TTAP


Combination drives

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Phillips/square

Breakaway head

Bristol

Screw Head - Bristol.png


Clutch

Screw Head - Clutch Type A.png
Screw Head - Clutch Type G.png


Double hex

Screw Head - Double Hex.png

Line

Screw head - line male.png
Screw head - line female.png
Screw head - line female tamper.png

One-way

Screw Head - One-way Clutch.png
A one-way slotted screw


Pentalobular

Pentalobular.png


Polydrive

Screw Head - Polydrive.png

Proprietary head

Spanner

Screw Head - Spanner.png


Spline

Screw Head - Spline.png

Torq-set

Screw Head - Torq-set.png
A set of torq-set bits


TP3

Screw Head - TP3.png


Tri-wing

Screw Head - Tri-wing.png
A tri-wing tool and screw


Triple square

Screw Head - Triple Square.png

Protruding obstacle

Tamper-resistant torx driver


تصنيفات بديلة

  • External
    • Hex
    • Line (ALH)
    • Square
  • Socket heads
    • Bristol
    • Clutch
    • Double hex
    • Hex socket
    • Hexalobular socket
    • Line (ALR)
    • Polydrive
    • Robertson
    • Spline
    • TP3
    • Triple square

هوامش

المصادر

  1. ^ screw drive systems
  2. ^ أ ب خطأ استشهاد: وسم <ref> غير صحيح؛ لا نص تم توفيره للمراجع المسماة capotosto
  3. ^ "McFeely's Square Drive Screws".
  4. ^ "American Fastener".

قائمة المراجع

وصلات خارجية