ISO 7049 ST5.5×13 Pan Head Tapping Screw7 combinations of material, property class and finish supplied in this size.

Standard
ISO 7049 · 2011
Thread
ST5.5 · pitch 1.8 mm
Length under head
13 mm · 12.2–13.8 mm to ISO 7049 product grade A
Head height
4 mm
Weight
4.58 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering218 pieces per kg
Also named
GB/T 845

Supplied to ISO 7049 ST5.5×13 — the figures shown here match GB/T 845. All 2 record the same figures in this size. Compared on the columns shown here only — product grade, tolerance class, length range, material and property-class references are set by each standard separately. We produce to whichever one your drawing calls out. Compare all sizes →

Recess NumberLkdkdPy
View in 3D
ISO 7049 dimension tablePDF · every size

Order ST5.5×13

Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.

Every standard listed here records the same figures at ST5.5×13. Your choice is carried into the inquiry and the quotation.

MaterialClassFinishQuantityNet weight
Carbon SteelZinc Plated
Carbon SteelDacromet
Carbon SteelRuspert
Carbon SteelPhosphate
Carbon SteelPlain
Stainless SteelPlain
Stainless SteelPassivated

Dimensions at ST5.5×13

one row per dimension
DimensionISO 7049CurrentGB/T 845Current
Thread PitchP (mm)1.81.8
Thread Runout (max)a (mm)1.81.8
Underhead Diameter (max)da (mm)6.36.3
Head Diameterdk (mm)1111
Head Diameter (min)dk min (mm)10.5710.57
Nominal Head Heightk (mm)44
Head Height (min)k (mm)3.73.7
Radius (min)r (mm)0.250.25
Head Radius (ref.)rf (mm)99
Recess Number33
Type H Recess Width (ref.)m (mm)6.46.4
Type H Penetration (max)t (mm)3.13.1
Type H Penetration (min)t (mm)2.62.6
Type Z / Socket Width (ref.)m/A (mm)6.26.2
Type Z Penetration (max)t (mm)33
Type Z Penetration (min)t (mm)2.552.55
Point Length — C (ref.)y (mm)55
Point Length — F (ref.)y (mm)3.63.6
Point Length — R (ref.)y (mm)4.34.3

Plating adds thickness — state the finish on the order.

Other lengths in ST5.5

All sizes →
Sizekg per 1 000 pieces
ST5.5×134.58this page
ST5.5×165.10open
ST5.5×195.62open
ST5.5×226.14open
ST5.5×256.66open

ST5.5 x 16ST5.5 x 19ST5.5 x 22ST5.5 x 25ST5.5 x 32ST5.5 x 38ST5.5 x 45ST5.5 x 50

Quote ISO 7049 ST5.5×13 Pan Head Tapping Screw

Standard, size, material, finish, quantity and destination are enough to begin.