BaerCoil HSSG Short Machine Tap BSB 5/16 x 26 STI (oversized for wire thread inserts)

€20.40

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EAN 4058462104534
Product information

BaerCoil HSSG Short Machine Tap BSB 5/16 x 26 STI (oversized for wire thread inserts)


BaerCoil® screw tap are mainly used for thread repair or thread reinforcement in connection with wire thread inserts. With this BaerCoil® short machine tap, a finished thread with oversize can be cut in one operation as a holding thread for wire thread inserts of dimension BSB 5/16 x 26. Precise internal thread can thus be cut time-savingly by hand or semi-professionally by machine.
The holding thread for BSB 5/16 x 26 thread inserts is also called STI thread (screw thread insert) or STI thread (in English Screw Thread Insert) and has an oversize, so that after the installation of the thread insert the normal starting thread BSB 5/16 x 26 is restored.

Compared to the machine tap, the short machine tap is equipped with a short shank. This allows internal thread to be cut by hand without jamming and operated with tap wrenches, ratchets or other holding tools with square drive. The thread can be cut in a pre-drilled core hole. Pre-machining with a taper tap (No. 1) or intermediate tap (No. 2) is not necessary.

With the short chamfer and the straight flutes, the chip is mainly absorbed by the flutes and is not removed during cutting. To prevent the chips from sticking, it is recommended to remove the chips from the grooves with a brush, compressed air or similar after each thread cutting. This form of gating makes the screw tap reliable and universally applicable for both through holes and blind holes.

Dimensions

Diameter 5/16
Nominal diameter in inches 0,358
Nominal diameter in mm 9,1
Pitch 26
Pitch in mm 0,977
Dimension BSB 5/16 x 26 EG/STI
Square 8,0 mm

Characteristics

Product group Screw taps
Wire thread inserts - Taps
Product type BaerCoil screw taps
Thread standard BSB EG/STI: British Standard Brass thread for wire thread inserts
Direction Right
Standard Factory standard
Tensile strength at room temperature up to 800 N/mm² | 22.2 HRC
Material HSSG bright

Schematic representation of Core hole diameter
Core hole diameter
8.2 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 D straight fluted
Schematic representation of Bild Anschnitt
Chamfer
3.5-5 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 800 N/mm² | 22.2 HRC

Applications

All normal uses for thread repair and for thread reinforcement of through-hole and blind-hole threads.

Technical drawing

Technical drawing hand tap with reinforced shank
D1 9,1 mm
D2 10,0 mm
L1 76 mm
L2 20 mm
Diameter 5/16
Square 8,0 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

Video instructions

Accessories

Zubehör

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Express shipping available

Same-day shipping for orders placed by tomorrow 11:50 o'clock and we ship the same day.
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In stock

Express shipping available

Same-day shipping for orders placed by tomorrow 11:50 o'clock and we ship the same day.
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In stock

Express shipping available

Same-day shipping for orders placed by tomorrow 11:50 o'clock and we ship the same day.
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In stock

Express shipping available

Same-day shipping for orders placed by tomorrow 11:50 o'clock and we ship the same day.
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