X-Spark non-sparking double-ended open-ended spanner (Series 146) – Be-Cu material
A high-quality, professional, non-sparking safety tool designed for use in environments with a high risk of explosion and fire. The Series 146 double-ended open-end spanner is manufactured from a premium beryllium copper (Be-Cu) alloy, which ensures maximum tensile strength, a long service life and complete safety when working in locations where sparks from ordinary steel tools could cause a disaster.
When working in industrial sectors such as petrochemicals, the gas industry, refineries, paint shops and mining, choosing the right equipment is of paramount importance. The Be-Cu non-sparking open-end spanner offers the perfect solution for tightening and loosening bolts and nuts in areas with strictly regulated explosion-proof requirements (ATEX zones).
Thanks to its exceptional non-magnetic properties and high corrosion resistance, this explosion-proof tool is indispensable for specialist maintenance and servicing of equipment.
Key advantages and features
Premium Be-Cu (beryllium copper) material: Ensures exceptional strength (comparable to conventional steels), non-magnetism and stability under high loads.
Explosion-proof protection: Suitable for use in environments where flammable gases, vapours or combustible dust are present (Zones 1, 2, 21 and 22).
Advanced manufacturing technology: The wrenches are forged in grooves, ensuring a homogeneous material structure and exceptional resistance to breakage or wear.
International certifications: The tools comply with DIN/ISO standards and hold recognised quality and safety certifications (BAM, FM, GS, ATEX).
Lifetime mechanical guarantee: A guarantee of a long product lifespan when used correctly.
Technical data and product dimensions
Select the appropriate size of double-ended open-end spanner to suit your needs. Below is the full specification of sizes, lengths and weights for the Be-Cu (beryllium copper) material and the alternative Al-Cu (aluminium bronze).
Catalogue number
Dimension (S1 * S2) [mm]
Overall length (L) [mm]
Be-Cu weight [g]
Al-Cu weight [g]
146-0507
5.5 * 7
90
23
20
146-0607
6 * 7
90
23
22
146-0709
7 * 9
100
28
25
146-0810
8 * 10
100
34
31
146-0911
9 * 11
110
50
45
146-1011
10 × 11
120
52
47
146-1012
10 × 12
120
60
55
146-1014
10 × 14
120
68
62
146-1213
12 × 13
130
73
67
146-1214
12 × 14
130
75
69
146-1317
13 × 17
150
110
100
146-1415
14 × 15
143
115
105
146-1417
14 × 17
150
120
110
146-1617
16 × 17
160
130
120
146-1618
16 × 18
160
145
130
146-1719
17 × 19
170
150
135
146-1819
18 × 19
170
200
180
146-1921
19 × 21
185
210
190
146-1922
19 * 22
185
220
200
146-1924
19 * 24
190
235
210
146-2022
20 × 22
200
250
225
146-2123
21 × 23
200
270
235
146-2224
22 × 24
210
312
285
146-2427
24 × 27
230
345
310
146-2730
27 × 30
255
465
420
146-3032
30 * 32
265
610
540
146-3236
32 * 36
300
885
800
146-3638
36 × 38
330
1350
1210
146-4146
41 × 46
360
1690
1530
146-4650
46 × 50
370
2050
1850
146-5055
50 × 55
385
2160
1950
146-6065
60 × 65
435
3950
3600
Non-sparking tools