BAER HSSG Hand Tap Taper (No. 1) UNF 5/8 x 18 - LEFT

€23.04

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EAN 4058462068553
Product information

BAER HSSG Hand Tap Taper (No. 1) UNF 5/8 x 18 - LEFT


The left-hand cutting hand tap taper tap (No. 1) enables you to pre-cut a left-hand thread. The advantage of pre-cutting a thread is that the cutting forces on the subsequent finishing tap (No. 3) are reduced. The taper tap (No. 1) is marked with a ring and removes approx. 65 percent of the thread profile. Because no complete thread profile is cut, the thread is not yet usable. Only when the finishing tap (No. 3) completes the thread in the last process is it fully usable. By dividing the work between two or three taps, it is easier to cut a straight and clean thread by hand.
Compared to the machine tap, the hand tap has a short shank. This allows you to cut internal thread by hand without jamming and can be operated with tap wrenches, tool ratchets or other holding tools with square drive.
The thread can be cut in a pre-drilled core hole.
A left-hand thread is tapped counterclockwise. The left-hand tap or left-hand screw tap is also operated counterclockwise.

Dimensions

Diameter 5/8
Nominal diameter in inches 0,625
Nominal diameter in mm 15,875
Pitch 18
Pitch in mm 1,411
Dimension UNF 5/8 x 18
Square 9 mm

Characteristics

Product group Screw taps
Product type Hand tap sets
Thread standard UNF: American Fine Unified National thread according to ANSI B1.1
Tolerance 2B
Direction Left
Standard DIN 352
Tensile strength at room temperature up to 900 N/mm² | 27.1 HRC
Material HSSG bright

Schematic representation of Core hole diameter
Core hole diameter
14.5 mm
Schematic representation of Bild Lochtyp
Hole type
Through hole and blind hole up to 2 x D
Schematic representation of Bild Form
Form / Geometry
Form A straight fluted
Schematic representation of Bild Anschnitt
Chamfer
6-8 threads
Schematic representation of Bild Spanabfuhr
Chip removal
Rarely occurs. Chips remain in flutes.
Schematic representation of Bild Kühlung
Cooling
External cooling and lubrication
Schematic representation of Bild Material
Material
HSSG bright
Schematic representation of Bild Zugfestigkeit
Tensile strength at room temperature
up to 900 N/mm² | 27.1 HRC
Schematic representation of Tolerance: 2B
Tolerance
2B

Applications

  • Materials with good machinability up to 900 N/mm²
  • Unalloyed and low-alloy steels

Technical drawing

Technical drawing hand tap with overflow shank
D1 UNF 5/8 x 18
D2 12 mm
L1 80 mm
L2 28 mm
Diameter 5/8
Square 9 mm

Application – Sample materials for taps

Unalloyed construction steels
1.0035S185 (St33)
1.0036S235JRH
1.0038RSt37-2
1.0039S235JRG1+CR
1.0044St44-2
1.0060E335 (St60-2)
1.0116St37-3
1.0570St 52-3
Alloyed construction steels
1.541515Mo3
1.542316Mo5
1.562214Ni6
1.733513CrMo44
1.733716CrMo44
1.771514MoV63
Free-cutting steels
1.07119S20
1.07159SMn28
1.071811SMnPb30
1.072110S20
1.072315S20
1.072635S20
1.07379SMnPb36
1.075860SPb20
Case-hardening steels
1.0401(C15)
1.701617CR3
1.713116MnCr5
1.591915CrNi6
Quenched and tempered steels unalloyed
1.0402C 22
1.1151C22E (Ck22)
1.0503C 45
1.1191C45E (Ck45)
Cast steel
1.0420GS-38
1.5419GS-22 Mo 4
1.6750GS-20 NiCrMo3 7
1.7357 GS-17 CrMo 5 5
Malleable cast iron
0.8145EN-GJMB 450-6
0.8170EN-GJMB 700-2
0.8045EN-GJMW-450-7
0.8055EN-GJMW-550-4
Pure copper low-alloyed
2.0240CuZn15
2.0265CuZn30
Brass short-chipping
2.0401CuZn39Pb3
Brass long-chipping
2.0321CuZn37
2.0335CuZn36
2.0360CuZn40
Aluminum cast Si > 5-12 %
3.2161G-AlSi8Cu3
3.2163G-AlSi9Cu3
3.2381G-AlSi10Mg
3.2583G-AlSi12(Cu)
Lamellar graphite cast iron
0.6010EN-GJL 100 (GG-10)
0.6020EN-GJL 200 (GG -20)
0.6025EN-GJL 250 (GG-25)
0.6030EN-GJL 300 (GG -30)
Copper-tin alloy (bronze) short-chipping
2.1090.01G-CuSn7ZnPb
2.1086.01G-CuSn10Zn
2.1097G-CuSn5ZnPb
Pure copper, low-alloyed copper
2.0240CuZn15
2.0265CuZn30

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